Finding the Fourth Proportional to 518,119.52, 714,599.68 and 336,890.08
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Solution
The fourth proportional to 518,119.52, 714,599.68 and 336,890.08 is: 464,644.81
Step by Step Solution
- Step 1: Write the proportion equation
518,119.52 : 714,599.68 = 336,890.08 : x - Step 2: Convert to fraction form
518,119.52/714,599.68 = 336,890.08/x - Step 3: Cross multiply
518,119.52x = 714,599.68 × 336,890.08 - Step 4: Simplify right side
518,119.52x = 240,741,543,363.17 - Step 5: Solve for x
x = 240,741,543,363.17/518,119.52 - Step 6: Final answer
x = 464,644.81
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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.