Finding the Fourth Proportional to 534,838.84, 738,061.86 and 293,116.12
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Solution
The fourth proportional to 534,838.84, 738,061.86 and 293,116.12 is: 404,491.62
Step by Step Solution
- Step 1: Write the proportion equation
534,838.84 : 738,061.86 = 293,116.12 : x - Step 2: Convert to fraction form
534,838.84/738,061.86 = 293,116.12/x - Step 3: Cross multiply
534,838.84x = 738,061.86 × 293,116.12 - Step 4: Simplify right side
534,838.84x = 216,337,828,723.18 - Step 5: Solve for x
x = 216,337,828,723.18/534,838.84 - Step 6: Final answer
x = 404,491.62
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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.