Finding the Fourth Proportional to 118,302.18, 163,249.41 and 64,587.08
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Solution
The fourth proportional to 118,302.18, 163,249.41 and 64,587.08 is: 89,126.02
Step by Step Solution
- Step 1: Write the proportion equation
118,302.18 : 163,249.41 = 64,587.08 : x - Step 2: Convert to fraction form
118,302.18/163,249.41 = 64,587.08/x - Step 3: Cross multiply
118,302.18x = 163,249.41 × 64,587.08 - Step 4: Simplify right side
118,302.18x = 10,543,802,703.62 - Step 5: Solve for x
x = 10,543,802,703.62/118,302.18 - Step 6: Final answer
x = 89,126.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.