Finding the Fourth Proportional to 257,808.24, 386,730.99 and 107,897.69
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Solution
The fourth proportional to 257,808.24, 386,730.99 and 107,897.69 is: 161,854.34
Step by Step Solution
- Step 1: Write the proportion equation
257,808.24 : 386,730.99 = 107,897.69 : x - Step 2: Convert to fraction form
257,808.24/386,730.99 = 107,897.69/x - Step 3: Cross multiply
257,808.24x = 386,730.99 × 107,897.69 - Step 4: Simplify right side
257,808.24x = 41,727,381,439.24 - Step 5: Solve for x
x = 41,727,381,439.24/257,808.24 - Step 6: Final answer
x = 161,854.34
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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.