Finding the Fourth Proportional to 259,148.10, 357,502.14 and 151,651.62
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Solution
The fourth proportional to 259,148.10, 357,502.14 and 151,651.62 is: 209,207.70
Step by Step Solution
- Step 1: Write the proportion equation
259,148.10 : 357,502.14 = 151,651.62 : x - Step 2: Convert to fraction form
259,148.10/357,502.14 = 151,651.62/x - Step 3: Cross multiply
259,148.10x = 357,502.14 × 151,651.62 - Step 4: Simplify right side
259,148.10x = 54,215,778,684.47 - Step 5: Solve for x
x = 54,215,778,684.47/259,148.10 - Step 6: Final answer
x = 209,207.70
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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.