Finding the Fourth Proportional to 423,387.80, 584,271.19 and 232,397.09
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Solution
The fourth proportional to 423,387.80, 584,271.19 and 232,397.09 is: 320,705.80
Step by Step Solution
- Step 1: Write the proportion equation
423,387.80 : 584,271.19 = 232,397.09 : x - Step 2: Convert to fraction form
423,387.80/584,271.19 = 232,397.09/x - Step 3: Cross multiply
423,387.80x = 584,271.19 × 232,397.09 - Step 4: Simplify right side
423,387.80x = 135,782,924,326.84 - Step 5: Solve for x
x = 135,782,924,326.84/423,387.80 - Step 6: Final answer
x = 320,705.80
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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.