Finding the Fourth Proportional to 478,267.14, 717,379.95 and 178,750.31
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Solution
The fourth proportional to 478,267.14, 717,379.95 and 178,750.31 is: 268,117.71
Step by Step Solution
- Step 1: Write the proportion equation
478,267.14 : 717,379.95 = 178,750.31 : x - Step 2: Convert to fraction form
478,267.14/717,379.95 = 178,750.31/x - Step 3: Cross multiply
478,267.14x = 717,379.95 × 178,750.31 - Step 4: Simplify right side
478,267.14x = 128,231,888,450.28 - Step 5: Solve for x
x = 128,231,888,450.28/478,267.14 - Step 6: Final answer
x = 268,117.71
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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.