Finding the Fourth Proportional to 372,002.10, 558,221.85 and 135,368.70
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Solution
The fourth proportional to 372,002.10, 558,221.85 and 135,368.70 is: 203,132.63
Step by Step Solution
- Step 1: Write the proportion equation
372,002.10 : 558,221.85 = 135,368.70 : x - Step 2: Convert to fraction form
372,002.10/558,221.85 = 135,368.70/x - Step 3: Cross multiply
372,002.10x = 558,221.85 × 135,368.70 - Step 4: Simplify right side
372,002.10x = 75,565,766,146.10 - Step 5: Solve for x
x = 75,565,766,146.10/372,002.10 - Step 6: Final answer
x = 203,132.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.