Finding the Fourth Proportional to 615,708.14, 849,669.14 and 343,780.68
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Solution
The fourth proportional to 615,708.14, 849,669.14 and 343,780.68 is: 474,412.82
Step by Step Solution
- Step 1: Write the proportion equation
615,708.14 : 849,669.14 = 343,780.68 : x - Step 2: Convert to fraction form
615,708.14/849,669.14 = 343,780.68/x - Step 3: Cross multiply
615,708.14x = 849,669.14 × 343,780.68 - Step 4: Simplify right side
615,708.14x = 292,099,834,724.22 - Step 5: Solve for x
x = 292,099,834,724.22/615,708.14 - Step 6: Final answer
x = 474,412.82
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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.