Finding the Fourth Proportional to 472,221.05, 651,682.64 and 268,306.55
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Solution
The fourth proportional to 472,221.05, 651,682.64 and 268,306.55 is: 370,273.02
Step by Step Solution
- Step 1: Write the proportion equation
472,221.05 : 651,682.64 = 268,306.55 : x - Step 2: Convert to fraction form
472,221.05/651,682.64 = 268,306.55/x - Step 3: Cross multiply
472,221.05x = 651,682.64 × 268,306.55 - Step 4: Simplify right side
472,221.05x = 174,850,716,233.35 - Step 5: Solve for x
x = 174,850,716,233.35/472,221.05 - Step 6: Final answer
x = 370,273.02
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1.5x scale
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.