Finding the Fourth Proportional to 509,176.38, 702,663.68 and 279,748.46
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Solution
The fourth proportional to 509,176.38, 702,663.68 and 279,748.46 is: 386,053.02
Step by Step Solution
- Step 1: Write the proportion equation
509,176.38 : 702,663.68 = 279,748.46 : x - Step 2: Convert to fraction form
509,176.38/702,663.68 = 279,748.46/x - Step 3: Cross multiply
509,176.38x = 702,663.68 × 279,748.46 - Step 4: Simplify right side
509,176.38x = 196,569,077,465.87 - Step 5: Solve for x
x = 196,569,077,465.87/509,176.38 - Step 6: Final answer
x = 386,053.02
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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.