Finding the Fourth Proportional to 502,107.42, 753,160.68 and 128,130.42
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Solution
The fourth proportional to 502,107.42, 753,160.68 and 128,130.42 is: 192,195.52
Step by Step Solution
- Step 1: Write the proportion equation
502,107.42 : 753,160.68 = 128,130.42 : x - Step 2: Convert to fraction form
502,107.42/753,160.68 = 128,130.42/x - Step 3: Cross multiply
502,107.42x = 753,160.68 × 128,130.42 - Step 4: Simplify right side
502,107.42x = 96,502,794,255.89 - Step 5: Solve for x
x = 96,502,794,255.89/502,107.42 - Step 6: Final answer
x = 192,195.52
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1.5x scale
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.