Finding the Fourth Proportional to 385,070.40, 577,606.68 and 157,366.08
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Solution
The fourth proportional to 385,070.40, 577,606.68 and 157,366.08 is: 236,049.56
Step by Step Solution
- Step 1: Write the proportion equation
385,070.40 : 577,606.68 = 157,366.08 : x - Step 2: Convert to fraction form
385,070.40/577,606.68 = 157,366.08/x - Step 3: Cross multiply
385,070.40x = 577,606.68 × 157,366.08 - Step 4: Simplify right side
385,070.40x = 90,895,699,013.41 - Step 5: Solve for x
x = 90,895,699,013.41/385,070.40 - Step 6: Final answer
x = 236,049.56
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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.