Finding the Fourth Proportional to 475,076.32, 712,684.04 and 138,073.19
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Solution
The fourth proportional to 475,076.32, 712,684.04 and 138,073.19 is: 207,129.99
Step by Step Solution
- Step 1: Write the proportion equation
475,076.32 : 712,684.04 = 138,073.19 : x - Step 2: Convert to fraction form
475,076.32/712,684.04 = 138,073.19/x - Step 3: Cross multiply
475,076.32x = 712,684.04 × 138,073.19 - Step 4: Simplify right side
475,076.32x = 98,402,554,611.10 - Step 5: Solve for x
x = 98,402,554,611.10/475,076.32 - Step 6: Final answer
x = 207,129.99
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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.