Finding the Fourth Proportional to 520,772.08, 781,307.88 and 165,840.88
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Solution
The fourth proportional to 520,772.08, 781,307.88 and 165,840.88 is: 248,809.01
Step by Step Solution
- Step 1: Write the proportion equation
520,772.08 : 781,307.88 = 165,840.88 : x - Step 2: Convert to fraction form
520,772.08/781,307.88 = 165,840.88/x - Step 3: Cross multiply
520,772.08x = 781,307.88 × 165,840.88 - Step 4: Simplify right side
520,772.08x = 129,572,786,370.13 - Step 5: Solve for x
x = 129,572,786,370.13/520,772.08 - Step 6: Final answer
x = 248,809.01
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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.