Finding the Fourth Proportional to 252,647.24, 348,658.46 and 137,930.71
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Solution
The fourth proportional to 252,647.24, 348,658.46 and 137,930.71 is: 190,347.26
Step by Step Solution
- Step 1: Write the proportion equation
252,647.24 : 348,658.46 = 137,930.71 : x - Step 2: Convert to fraction form
252,647.24/348,658.46 = 137,930.71/x - Step 3: Cross multiply
252,647.24x = 348,658.46 × 137,930.71 - Step 4: Simplify right side
252,647.24x = 48,090,708,935.31 - Step 5: Solve for x
x = 48,090,708,935.31/252,647.24 - Step 6: Final answer
x = 190,347.26
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1.5x scale
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.