Finding the Fourth Proportional to 383,966.20, 575,963.88 and 147,332.80
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Solution
The fourth proportional to 383,966.20, 575,963.88 and 147,332.80 is: 221,004.79
Step by Step Solution
- Step 1: Write the proportion equation
383,966.20 : 575,963.88 = 147,332.80 : x - Step 2: Convert to fraction form
383,966.20/575,963.88 = 147,332.80/x - Step 3: Cross multiply
383,966.20x = 575,963.88 × 147,332.80 - Step 4: Simplify right side
383,966.20x = 84,858,371,139.26 - Step 5: Solve for x
x = 84,858,371,139.26/383,966.20 - Step 6: Final answer
x = 221,004.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.