Finding the Fourth Proportional to 488,555.70, 732,833.55 and 239,723.70
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Solution
The fourth proportional to 488,555.70, 732,833.55 and 239,723.70 is: 359,585.55
Step by Step Solution
- Step 1: Write the proportion equation
488,555.70 : 732,833.55 = 239,723.70 : x - Step 2: Convert to fraction form
488,555.70/732,833.55 = 239,723.70/x - Step 3: Cross multiply
488,555.70x = 732,833.55 × 239,723.70 - Step 4: Simplify right side
488,555.70x = 175,677,570,090.14 - Step 5: Solve for x
x = 175,677,570,090.14/488,555.70 - Step 6: Final answer
x = 359,585.55
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Similar ratio
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1.5x scale
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.