Finding the Fourth Proportional to 661,282.08, 992,203.97 and 361,412.31
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Solution
The fourth proportional to 661,282.08, 992,203.97 and 361,412.31 is: 542,271.96
Step by Step Solution
- Step 1: Write the proportion equation
661,282.08 : 992,203.97 = 361,412.31 : x - Step 2: Convert to fraction form
661,282.08/992,203.97 = 361,412.31/x - Step 3: Cross multiply
661,282.08x = 992,203.97 × 361,412.31 - Step 4: Simplify right side
661,282.08x = 358,594,730,702.57 - Step 5: Solve for x
x = 358,594,730,702.57/661,282.08 - Step 6: Final answer
x = 542,271.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.