Finding the Fourth Proportional to 552,385.12, 762,177.18 and 322,898.08
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Solution
The fourth proportional to 552,385.12, 762,177.18 and 322,898.08 is: 445,532.54
Step by Step Solution
- Step 1: Write the proportion equation
552,385.12 : 762,177.18 = 322,898.08 : x - Step 2: Convert to fraction form
552,385.12/762,177.18 = 322,898.08/x - Step 3: Cross multiply
552,385.12x = 762,177.18 × 322,898.08 - Step 4: Simplify right side
552,385.12x = 246,105,548,041.81 - Step 5: Solve for x
x = 246,105,548,041.81/552,385.12 - Step 6: Final answer
x = 445,532.54
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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.