Finding the Fourth Proportional to 615,352.28, 849,150.68 and 343,398.84
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Solution
The fourth proportional to 615,352.28, 849,150.68 and 343,398.84 is: 473,870.61
Step by Step Solution
- Step 1: Write the proportion equation
615,352.28 : 849,150.68 = 343,398.84 : x - Step 2: Convert to fraction form
615,352.28/849,150.68 = 343,398.84/x - Step 3: Cross multiply
615,352.28x = 849,150.68 × 343,398.84 - Step 4: Simplify right side
615,352.28x = 291,597,358,497.21 - Step 5: Solve for x
x = 291,597,358,497.21/615,352.28 - Step 6: Final answer
x = 473,870.61
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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.