Finding the Fourth Proportional to 485,937.59, 670,612.14 and 271,119.17
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Solution
The fourth proportional to 485,937.59, 670,612.14 and 271,119.17 is: 374,154.65
Step by Step Solution
- Step 1: Write the proportion equation
485,937.59 : 670,612.14 = 271,119.17 : x - Step 2: Convert to fraction form
485,937.59/670,612.14 = 271,119.17/x - Step 3: Cross multiply
485,937.59x = 670,612.14 × 271,119.17 - Step 4: Simplify right side
485,937.59x = 181,815,808,465.25 - Step 5: Solve for x
x = 181,815,808,465.25/485,937.59 - Step 6: Final answer
x = 374,154.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.