Finding the Fourth Proportional to 356,404.68, 534,686.70 and 119,740.84
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Solution
The fourth proportional to 356,404.68, 534,686.70 and 119,740.84 is: 179,638.03
Step by Step Solution
- Step 1: Write the proportion equation
356,404.68 : 534,686.70 = 119,740.84 : x - Step 2: Convert to fraction form
356,404.68/534,686.70 = 119,740.84/x - Step 3: Cross multiply
356,404.68x = 534,686.70 × 119,740.84 - Step 4: Simplify right side
356,404.68x = 64,023,834,594.83 - Step 5: Solve for x
x = 64,023,834,594.83/356,404.68 - Step 6: Final answer
x = 179,638.03
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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.