Finding the Fourth Proportional to 471,143.80, 704,987.70 and 346,727.80
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Solution
The fourth proportional to 471,143.80, 704,987.70 and 346,727.80 is: 518,820.02
Step by Step Solution
- Step 1: Write the proportion equation
471,143.80 : 704,987.70 = 346,727.80 : x - Step 2: Convert to fraction form
471,143.80/704,987.70 = 346,727.80/x - Step 3: Cross multiply
471,143.80x = 704,987.70 × 346,727.80 - Step 4: Simplify right side
471,143.80x = 244,438,834,248.06 - Step 5: Solve for x
x = 244,438,834,248.06/471,143.80 - Step 6: Final answer
x = 518,820.02
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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.