Finding the Fourth Proportional to 478,548.13, 717,946.80 and 179,052.13
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Solution
The fourth proportional to 478,548.13, 717,946.80 and 179,052.13 is: 268,624.82
Step by Step Solution
- Step 1: Write the proportion equation
478,548.13 : 717,946.80 = 179,052.13 : x - Step 2: Convert to fraction form
478,548.13/717,946.80 = 179,052.13/x - Step 3: Cross multiply
478,548.13x = 717,946.80 × 179,052.13 - Step 4: Simplify right side
478,548.13x = 128,549,903,766.68 - Step 5: Solve for x
x = 128,549,903,766.68/478,548.13 - Step 6: Final answer
x = 268,624.82
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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.