Finding the Fourth Proportional to 592,639.80, 888,959.70 and 149,407.80
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Solution
The fourth proportional to 592,639.80, 888,959.70 and 149,407.80 is: 224,111.70
Step by Step Solution
- Step 1: Write the proportion equation
592,639.80 : 888,959.70 = 149,407.80 : x - Step 2: Convert to fraction form
592,639.80/888,959.70 = 149,407.80/x - Step 3: Cross multiply
592,639.80x = 888,959.70 × 149,407.80 - Step 4: Simplify right side
592,639.80x = 132,817,513,065.66 - Step 5: Solve for x
x = 132,817,513,065.66/592,639.80 - Step 6: Final answer
x = 224,111.70
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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.