Finding the Fourth Proportional to 471,875.13, 651,188.67 and 257,014.53
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Solution
The fourth proportional to 471,875.13, 651,188.67 and 257,014.53 is: 354,680.59
Step by Step Solution
- Step 1: Write the proportion equation
471,875.13 : 651,188.67 = 257,014.53 : x - Step 2: Convert to fraction form
471,875.13/651,188.67 = 257,014.53/x - Step 3: Cross multiply
471,875.13x = 651,188.67 × 257,014.53 - Step 4: Simplify right side
471,875.13x = 167,364,949,961.38 - Step 5: Solve for x
x = 167,364,949,961.38/471,875.13 - Step 6: Final answer
x = 354,680.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.