Finding the Fourth Proportional to 488,565.70, 732,848.55 and 239,733.70
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Solution
The fourth proportional to 488,565.70, 732,848.55 and 239,733.70 is: 359,600.55
Step by Step Solution
- Step 1: Write the proportion equation
488,565.70 : 732,848.55 = 239,733.70 : x - Step 2: Convert to fraction form
488,565.70/732,848.55 = 239,733.70/x - Step 3: Cross multiply
488,565.70x = 732,848.55 × 239,733.70 - Step 4: Simplify right side
488,565.70x = 175,688,494,431.14 - Step 5: Solve for x
x = 175,688,494,431.14/488,565.70 - Step 6: Final answer
x = 359,600.55
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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.