Finding the Fourth Proportional to 402,125.90, 602,204.70 and 191,517.80
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Solution
The fourth proportional to 402,125.90, 602,204.70 and 191,517.80 is: 286,807.99
Step by Step Solution
- Step 1: Write the proportion equation
402,125.90 : 602,204.70 = 191,517.80 : x - Step 2: Convert to fraction form
402,125.90/602,204.70 = 191,517.80/x - Step 3: Cross multiply
402,125.90x = 602,204.70 × 191,517.80 - Step 4: Simplify right side
402,125.90x = 115,332,919,293.66 - Step 5: Solve for x
x = 115,332,919,293.66/402,125.90 - Step 6: Final answer
x = 286,807.99
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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.