Finding the Fourth Proportional to 260,564.64, 390,788.12 and 132,351.08
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Solution
The fourth proportional to 260,564.64, 390,788.12 and 132,351.08 is: 198,496.72
Step by Step Solution
- Step 1: Write the proportion equation
260,564.64 : 390,788.12 = 132,351.08 : x - Step 2: Convert to fraction form
260,564.64/390,788.12 = 132,351.08/x - Step 3: Cross multiply
260,564.64x = 390,788.12 × 132,351.08 - Step 4: Simplify right side
260,564.64x = 51,721,227,117.47 - Step 5: Solve for x
x = 51,721,227,117.47/260,564.64 - Step 6: Final answer
x = 198,496.72
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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.