Finding the Fourth Proportional to 282,460.60, 425,217.96 and 257,321.68
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Solution
The fourth proportional to 282,460.60, 425,217.96 and 257,321.68 is: 387,373.67
Step by Step Solution
- Step 1: Write the proportion equation
282,460.60 : 425,217.96 = 257,321.68 : x - Step 2: Convert to fraction form
282,460.60/425,217.96 = 257,321.68/x - Step 3: Cross multiply
282,460.60x = 425,217.96 × 257,321.68 - Step 4: Simplify right side
282,460.60x = 109,417,799,085.13 - Step 5: Solve for x
x = 109,417,799,085.13/282,460.60 - Step 6: Final answer
x = 387,373.67
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.