Finding the Fourth Proportional to 478,454.08, 717,677.52 and 123,437.92
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Solution
The fourth proportional to 478,454.08, 717,677.52 and 123,437.92 is: 185,155.95
Step by Step Solution
- Step 1: Write the proportion equation
478,454.08 : 717,677.52 = 123,437.92 : x - Step 2: Convert to fraction form
478,454.08/717,677.52 = 123,437.92/x - Step 3: Cross multiply
478,454.08x = 717,677.52 × 123,437.92 - Step 4: Simplify right side
478,454.08x = 88,588,620,299.56 - Step 5: Solve for x
x = 88,588,620,299.56/478,454.08 - Step 6: Final answer
x = 185,155.95
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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.