Finding the Fourth Proportional to 478,307.31, 717,562.14 and 158,441.05
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Solution
The fourth proportional to 478,307.31, 717,562.14 and 158,441.05 is: 237,695.09
Step by Step Solution
- Step 1: Write the proportion equation
478,307.31 : 717,562.14 = 158,441.05 : x - Step 2: Convert to fraction form
478,307.31/717,562.14 = 158,441.05/x - Step 3: Cross multiply
478,307.31x = 717,562.14 × 158,441.05 - Step 4: Simplify right side
478,307.31x = 113,691,298,901.85 - Step 5: Solve for x
x = 113,691,298,901.85/478,307.31 - Step 6: Final answer
x = 237,695.09
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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.