Finding the Fourth Proportional to 472,421.28, 708,257.70 and 235,642.08
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Solution
The fourth proportional to 472,421.28, 708,257.70 and 235,642.08 is: 353,276.46
Step by Step Solution
- Step 1: Write the proportion equation
472,421.28 : 708,257.70 = 235,642.08 : x - Step 2: Convert to fraction form
472,421.28/708,257.70 = 235,642.08/x - Step 3: Cross multiply
472,421.28x = 708,257.70 × 235,642.08 - Step 4: Simplify right side
472,421.28x = 166,895,317,604.02 - Step 5: Solve for x
x = 166,895,317,604.02/472,421.28 - Step 6: Final answer
x = 353,276.46
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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.