Finding the Fourth Proportional to 254,872.98, 351,726.08 and 140,159.02
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Solution
The fourth proportional to 254,872.98, 351,726.08 and 140,159.02 is: 193,420.20
Step by Step Solution
- Step 1: Write the proportion equation
254,872.98 : 351,726.08 = 140,159.02 : x - Step 2: Convert to fraction form
254,872.98/351,726.08 = 140,159.02/x - Step 3: Cross multiply
254,872.98x = 351,726.08 × 140,159.02 - Step 4: Simplify right side
254,872.98x = 49,297,582,681.24 - Step 5: Solve for x
x = 49,297,582,681.24/254,872.98 - Step 6: Final answer
x = 193,420.20
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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.