Finding the Fourth Proportional to 514,265.68, 709,602.28 and 323,143.75
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Solution
The fourth proportional to 514,265.68, 709,602.28 and 323,143.75 is: 445,885.37
Step by Step Solution
- Step 1: Write the proportion equation
514,265.68 : 709,602.28 = 323,143.75 : x - Step 2: Convert to fraction form
514,265.68/709,602.28 = 323,143.75/x - Step 3: Cross multiply
514,265.68x = 709,602.28 × 323,143.75 - Step 4: Simplify right side
514,265.68x = 229,303,541,767.75 - Step 5: Solve for x
x = 229,303,541,767.75/514,265.68 - Step 6: Final answer
x = 445,885.37
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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.