Finding the Fourth Proportional to 287,752.04, 397,098.06 and 160,425.08
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Solution
The fourth proportional to 287,752.04, 397,098.06 and 160,425.08 is: 221,386.75
Step by Step Solution
- Step 1: Write the proportion equation
287,752.04 : 397,098.06 = 160,425.08 : x - Step 2: Convert to fraction form
287,752.04/397,098.06 = 160,425.08/x - Step 3: Cross multiply
287,752.04x = 397,098.06 × 160,425.08 - Step 4: Simplify right side
287,752.04x = 63,704,488,043.34 - Step 5: Solve for x
x = 63,704,488,043.34/287,752.04 - Step 6: Final answer
x = 221,386.75
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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.