Finding the Fourth Proportional to 357,472.17, 536,207.82 and 91,232.71
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Solution
The fourth proportional to 357,472.17, 536,207.82 and 91,232.71 is: 136,848.95
Step by Step Solution
- Step 1: Write the proportion equation
357,472.17 : 536,207.82 = 91,232.71 : x - Step 2: Convert to fraction form
357,472.17/536,207.82 = 91,232.71/x - Step 3: Cross multiply
357,472.17x = 536,207.82 × 91,232.71 - Step 4: Simplify right side
357,472.17x = 48,919,692,541.79 - Step 5: Solve for x
x = 48,919,692,541.79/357,472.17 - Step 6: Final answer
x = 136,848.95
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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.