Finding the Fourth Proportional to 615,228.18, 849,013.74 and 343,279.68
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Solution
The fourth proportional to 615,228.18, 849,013.74 and 343,279.68 is: 473,725.32
Step by Step Solution
- Step 1: Write the proportion equation
615,228.18 : 849,013.74 = 343,279.68 : x - Step 2: Convert to fraction form
615,228.18/849,013.74 = 343,279.68/x - Step 3: Cross multiply
615,228.18x = 849,013.74 × 343,279.68 - Step 4: Simplify right side
615,228.18x = 291,449,164,982.80 - Step 5: Solve for x
x = 291,449,164,982.80/615,228.18 - Step 6: Final answer
x = 473,725.32
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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.