Finding the Fourth Proportional to 403,373.20, 605,059.80 and 291,398.80
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Solution
The fourth proportional to 403,373.20, 605,059.80 and 291,398.80 is: 437,098.20
Step by Step Solution
- Step 1: Write the proportion equation
403,373.20 : 605,059.80 = 291,398.80 : x - Step 2: Convert to fraction form
403,373.20/605,059.80 = 291,398.80/x - Step 3: Cross multiply
403,373.20x = 605,059.80 × 291,398.80 - Step 4: Simplify right side
403,373.20x = 176,313,699,648.24 - Step 5: Solve for x
x = 176,313,699,648.24/403,373.20 - Step 6: Final answer
x = 437,098.20
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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.