Finding the Fourth Proportional to 314,117.70, 471,176.55 and 251,909.70
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Solution
The fourth proportional to 314,117.70, 471,176.55 and 251,909.70 is: 377,864.55
Step by Step Solution
- Step 1: Write the proportion equation
314,117.70 : 471,176.55 = 251,909.70 : x - Step 2: Convert to fraction form
314,117.70/471,176.55 = 251,909.70/x - Step 3: Cross multiply
314,117.70x = 471,176.55 × 251,909.70 - Step 4: Simplify right side
314,117.70x = 118,693,943,357.54 - Step 5: Solve for x
x = 118,693,943,357.54/314,117.70 - Step 6: Final answer
x = 377,864.55
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1.5x scale
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.