Finding the Fourth Proportional to 423,372.23, 584,255.55 and 232,387.19
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Solution
The fourth proportional to 423,372.23, 584,255.55 and 232,387.19 is: 320,695.34
Step by Step Solution
- Step 1: Write the proportion equation
423,372.23 : 584,255.55 = 232,387.19 : x - Step 2: Convert to fraction form
423,372.23/584,255.55 = 232,387.19/x - Step 3: Cross multiply
423,372.23x = 584,255.55 × 232,387.19 - Step 4: Simplify right side
423,372.23x = 135,773,501,423.19 - Step 5: Solve for x
x = 135,773,501,423.19/423,372.23 - Step 6: Final answer
x = 320,695.34
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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.