Finding the Fourth Proportional to 423,247.92, 584,089.40 and 232,279.08
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Solution
The fourth proportional to 423,247.92, 584,089.40 and 232,279.08 is: 320,549.12
Step by Step Solution
- Step 1: Write the proportion equation
423,247.92 : 584,089.40 = 232,279.08 : x - Step 2: Convert to fraction form
423,247.92/584,089.40 = 232,279.08/x - Step 3: Cross multiply
423,247.92x = 584,089.40 × 232,279.08 - Step 4: Simplify right side
423,247.92x = 135,671,748,469.75 - Step 5: Solve for x
x = 135,671,748,469.75/423,247.92 - Step 6: Final answer
x = 320,549.12
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1.5x scale
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.