Finding the Fourth Proportional to 487,271.05, 731,031.15 and 202,867.08
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Solution
The fourth proportional to 487,271.05, 731,031.15 and 202,867.08 is: 304,352.48
Step by Step Solution
- Step 1: Write the proportion equation
487,271.05 : 731,031.15 = 202,867.08 : x - Step 2: Convert to fraction form
487,271.05/731,031.15 = 202,867.08/x - Step 3: Cross multiply
487,271.05x = 731,031.15 × 202,867.08 - Step 4: Simplify right side
487,271.05x = 148,302,154,789.54 - Step 5: Solve for x
x = 148,302,154,789.54/487,271.05 - Step 6: Final answer
x = 304,352.48
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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.