Finding the Fourth Proportional to 478,511.64, 717,872.58 and 141,526.02
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Solution
The fourth proportional to 478,511.64, 717,872.58 and 141,526.02 is: 212,320.12
Step by Step Solution
- Step 1: Write the proportion equation
478,511.64 : 717,872.58 = 141,526.02 : x - Step 2: Convert to fraction form
478,511.64/717,872.58 = 141,526.02/x - Step 3: Cross multiply
478,511.64x = 717,872.58 × 141,526.02 - Step 4: Simplify right side
478,511.64x = 101,597,649,114.53 - Step 5: Solve for x
x = 101,597,649,114.53/478,511.64 - Step 6: Final answer
x = 212,320.12
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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.