Finding the Fourth Proportional to 261,547.68, 392,715.16 and 149,354.56
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Solution
The fourth proportional to 261,547.68, 392,715.16 and 149,354.56 is: 224,256.62
Step by Step Solution
- Step 1: Write the proportion equation
261,547.68 : 392,715.16 = 149,354.56 : x - Step 2: Convert to fraction form
261,547.68/392,715.16 = 149,354.56/x - Step 3: Cross multiply
261,547.68x = 392,715.16 × 149,354.56 - Step 4: Simplify right side
261,547.68x = 58,653,799,927.13 - Step 5: Solve for x
x = 58,653,799,927.13/261,547.68 - Step 6: Final answer
x = 224,256.62
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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.