Finding the Fourth Proportional to 238,076.97, 328,545.25 and 130,648.79
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Solution
The fourth proportional to 238,076.97, 328,545.25 and 130,648.79 is: 180,294.80
Step by Step Solution
- Step 1: Write the proportion equation
238,076.97 : 328,545.25 = 130,648.79 : x - Step 2: Convert to fraction form
238,076.97/328,545.25 = 130,648.79/x - Step 3: Cross multiply
238,076.97x = 328,545.25 × 130,648.79 - Step 4: Simplify right side
238,076.97x = 42,924,039,867.49 - Step 5: Solve for x
x = 42,924,039,867.49/238,076.97 - Step 6: Final answer
x = 180,294.80
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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.