Finding the Fourth Proportional to 514,515.33, 710,130.69 and 296,864.75
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Solution
The fourth proportional to 514,515.33, 710,130.69 and 296,864.75 is: 409,730.78
Step by Step Solution
- Step 1: Write the proportion equation
514,515.33 : 710,130.69 = 296,864.75 : x - Step 2: Convert to fraction form
514,515.33/710,130.69 = 296,864.75/x - Step 3: Cross multiply
514,515.33x = 710,130.69 × 296,864.75 - Step 4: Simplify right side
514,515.33x = 210,812,767,326.29 - Step 5: Solve for x
x = 210,812,767,326.29/514,515.33 - Step 6: Final answer
x = 409,730.78
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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.