Finding the Fourth Proportional to 498,117.28, 747,574.08 and 258,299.32
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Solution
The fourth proportional to 498,117.28, 747,574.08 and 258,299.32 is: 387,655.45
Step by Step Solution
- Step 1: Write the proportion equation
498,117.28 : 747,574.08 = 258,299.32 : x - Step 2: Convert to fraction form
498,117.28/747,574.08 = 258,299.32/x - Step 3: Cross multiply
498,117.28x = 747,574.08 × 258,299.32 - Step 4: Simplify right side
498,117.28x = 193,097,876,513.63 - Step 5: Solve for x
x = 193,097,876,513.63/498,117.28 - Step 6: Final answer
x = 387,655.45
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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.