Finding the Fourth Proportional to 375,117.86, 516,572.06 and 326,037.93
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Solution
The fourth proportional to 375,117.86, 516,572.06 and 326,037.93 is: 448,984.45
Step by Step Solution
- Step 1: Write the proportion equation
375,117.86 : 516,572.06 = 326,037.93 : x - Step 2: Convert to fraction form
375,117.86/516,572.06 = 326,037.93/x - Step 3: Cross multiply
375,117.86x = 516,572.06 × 326,037.93 - Step 4: Simplify right side
375,117.86x = 168,422,083,508.05 - Step 5: Solve for x
x = 168,422,083,508.05/375,117.86 - Step 6: Final answer
x = 448,984.45
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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.