Finding the Fourth Proportional to 545,873.17, 753,307.96 and 316,566.41
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Solution
The fourth proportional to 545,873.17, 753,307.96 and 316,566.41 is: 436,863.38
Step by Step Solution
- Step 1: Write the proportion equation
545,873.17 : 753,307.96 = 316,566.41 : x - Step 2: Convert to fraction form
545,873.17/753,307.96 = 316,566.41/x - Step 3: Cross multiply
545,873.17x = 753,307.96 × 316,566.41 - Step 4: Simplify right side
545,873.17x = 238,472,000,227.65 - Step 5: Solve for x
x = 238,472,000,227.65/545,873.17 - Step 6: Final answer
x = 436,863.38
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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.