Finding the Fourth Proportional to 159,736.47, 239,654.58 and 47,417.19
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Solution
The fourth proportional to 159,736.47, 239,654.58 and 47,417.19 is: 71,140.59
Step by Step Solution
- Step 1: Write the proportion equation
159,736.47 : 239,654.58 = 47,417.19 : x - Step 2: Convert to fraction form
159,736.47/239,654.58 = 47,417.19/x - Step 3: Cross multiply
159,736.47x = 239,654.58 × 47,417.19 - Step 4: Simplify right side
159,736.47x = 11,363,746,754.23 - Step 5: Solve for x
x = 11,363,746,754.23/159,736.47 - Step 6: Final answer
x = 71,140.59
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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.