Finding the Fourth Proportional to 391,332.08, 586,758.21 and 166,564.53
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Solution
The fourth proportional to 391,332.08, 586,758.21 and 166,564.53 is: 249,744.68
Step by Step Solution
- Step 1: Write the proportion equation
391,332.08 : 586,758.21 = 166,564.53 : x - Step 2: Convert to fraction form
391,332.08/586,758.21 = 166,564.53/x - Step 3: Cross multiply
391,332.08x = 586,758.21 × 166,564.53 - Step 4: Simplify right side
391,332.08x = 97,733,105,472.29 - Step 5: Solve for x
x = 97,733,105,472.29/391,332.08 - Step 6: Final answer
x = 249,744.68
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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.