Finding the Fourth Proportional to 357,133.06, 535,682.28 and 132,537.28
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Solution
The fourth proportional to 357,133.06, 535,682.28 and 132,537.28 is: 198,799.50
Step by Step Solution
- Step 1: Write the proportion equation
357,133.06 : 535,682.28 = 132,537.28 : x - Step 2: Convert to fraction form
357,133.06/535,682.28 = 132,537.28/x - Step 3: Cross multiply
357,133.06x = 535,682.28 × 132,537.28 - Step 4: Simplify right side
357,133.06x = 70,997,872,335.40 - Step 5: Solve for x
x = 70,997,872,335.40/357,133.06 - Step 6: Final answer
x = 198,799.50
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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.