Finding the Fourth Proportional to 615,531.36, 849,475.98 and 343,652.70
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Solution
The fourth proportional to 615,531.36, 849,475.98 and 343,652.70 is: 474,264.57
Step by Step Solution
- Step 1: Write the proportion equation
615,531.36 : 849,475.98 = 343,652.70 : x - Step 2: Convert to fraction form
615,531.36/849,475.98 = 343,652.70/x - Step 3: Cross multiply
615,531.36x = 849,475.98 × 343,652.70 - Step 4: Simplify right side
615,531.36x = 291,924,714,112.15 - Step 5: Solve for x
x = 291,924,714,112.15/615,531.36 - Step 6: Final answer
x = 474,264.57
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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.