Finding the Fourth Proportional to 497,154.56, 745,605.84 and 142,170.08
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Solution
The fourth proportional to 497,154.56, 745,605.84 and 142,170.08 is: 213,219.09
Step by Step Solution
- Step 1: Write the proportion equation
497,154.56 : 745,605.84 = 142,170.08 : x - Step 2: Convert to fraction form
497,154.56/745,605.84 = 142,170.08/x - Step 3: Cross multiply
497,154.56x = 745,605.84 × 142,170.08 - Step 4: Simplify right side
497,154.56x = 106,002,841,921.27 - Step 5: Solve for x
x = 106,002,841,921.27/497,154.56 - Step 6: Final answer
x = 213,219.09
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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.