Finding the Fourth Proportional to 520,697.68, 781,116.36 and 183,659.12
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Solution
The fourth proportional to 520,697.68, 781,116.36 and 183,659.12 is: 275,513.31
Step by Step Solution
- Step 1: Write the proportion equation
520,697.68 : 781,116.36 = 183,659.12 : x - Step 2: Convert to fraction form
520,697.68/781,116.36 = 183,659.12/x - Step 3: Cross multiply
520,697.68x = 781,116.36 × 183,659.12 - Step 4: Simplify right side
520,697.68x = 143,459,143,295.20 - Step 5: Solve for x
x = 143,459,143,295.20/520,697.68 - Step 6: Final answer
x = 275,513.31
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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.