Finding the Fourth Proportional to 478,441.48, 717,727.84 and 141,508.62
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Solution
The fourth proportional to 478,441.48, 717,727.84 and 141,508.62 is: 212,282.34
Step by Step Solution
- Step 1: Write the proportion equation
478,441.48 : 717,727.84 = 141,508.62 : x - Step 2: Convert to fraction form
478,441.48/717,727.84 = 141,508.62/x - Step 3: Cross multiply
478,441.48x = 717,727.84 × 141,508.62 - Step 4: Simplify right side
478,441.48x = 101,564,676,173.98 - Step 5: Solve for x
x = 101,564,676,173.98/478,441.48 - Step 6: Final answer
x = 212,282.34
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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.