Finding the Fourth Proportional to 479,818.64, 719,686.08 and 195,539.01
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Solution
The fourth proportional to 479,818.64, 719,686.08 and 195,539.01 is: 293,291.45
Step by Step Solution
- Step 1: Write the proportion equation
479,818.64 : 719,686.08 = 195,539.01 : x - Step 2: Convert to fraction form
479,818.64/719,686.08 = 195,539.01/x - Step 3: Cross multiply
479,818.64x = 719,686.08 × 195,539.01 - Step 4: Simplify right side
479,818.64x = 140,726,703,593.98 - Step 5: Solve for x
x = 140,726,703,593.98/479,818.64 - Step 6: Final answer
x = 293,291.45
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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.