Finding the Fourth Proportional to 412,698.24, 619,030.08 and 132,209.28
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Solution
The fourth proportional to 412,698.24, 619,030.08 and 132,209.28 is: 198,308.38
Step by Step Solution
- Step 1: Write the proportion equation
412,698.24 : 619,030.08 = 132,209.28 : x - Step 2: Convert to fraction form
412,698.24/619,030.08 = 132,209.28/x - Step 3: Cross multiply
412,698.24x = 619,030.08 × 132,209.28 - Step 4: Simplify right side
412,698.24x = 81,841,521,175.14 - Step 5: Solve for x
x = 81,841,521,175.14/412,698.24 - Step 6: Final answer
x = 198,308.38
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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.