Finding the Fourth Proportional to 491,386.38, 737,259.84 and 207,148.50
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Solution
The fourth proportional to 491,386.38, 737,259.84 and 207,148.50 is: 310,798.74
Step by Step Solution
- Step 1: Write the proportion equation
491,386.38 : 737,259.84 = 207,148.50 : x - Step 2: Convert to fraction form
491,386.38/737,259.84 = 207,148.50/x - Step 3: Cross multiply
491,386.38x = 737,259.84 × 207,148.50 - Step 4: Simplify right side
491,386.38x = 152,722,269,966.24 - Step 5: Solve for x
x = 152,722,269,966.24/491,386.38 - Step 6: Final answer
x = 310,798.74
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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.