Finding the Fourth Proportional to 92,298.69, 138,448.04 and 29,118.99
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Solution
The fourth proportional to 92,298.69, 138,448.04 and 29,118.99 is: 43,678.49
Step by Step Solution
- Step 1: Write the proportion equation
92,298.69 : 138,448.04 = 29,118.99 : x - Step 2: Convert to fraction form
92,298.69/138,448.04 = 29,118.99/x - Step 3: Cross multiply
92,298.69x = 138,448.04 × 29,118.99 - Step 4: Simplify right side
92,298.69x = 4,031,467,465.86 - Step 5: Solve for x
x = 4,031,467,465.86/92,298.69 - Step 6: Final answer
x = 43,678.49
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.