Finding the Fourth Proportional to 467,744.49, 645,488.95 and 252,886.08
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Solution
The fourth proportional to 467,744.49, 645,488.95 and 252,886.08 is: 348,983.63
Step by Step Solution
- Step 1: Write the proportion equation
467,744.49 : 645,488.95 = 252,886.08 : x - Step 2: Convert to fraction form
467,744.49/645,488.95 = 252,886.08/x - Step 3: Cross multiply
467,744.49x = 645,488.95 × 252,886.08 - Step 4: Simplify right side
467,744.49x = 163,235,170,248.82 - Step 5: Solve for x
x = 163,235,170,248.82/467,744.49 - Step 6: Final answer
x = 348,983.63
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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.