Finding the Fourth Proportional to 670,963.95, 1,006,101.17 and 197,587.80
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Solution
The fourth proportional to 670,963.95, 1,006,101.17 and 197,587.80 is: 296,280.17
Step by Step Solution
- Step 1: Write the proportion equation
670,963.95 : 1,006,101.17 = 197,587.80 : x - Step 2: Convert to fraction form
670,963.95/1,006,101.17 = 197,587.80/x - Step 3: Cross multiply
670,963.95x = 1,006,101.17 × 197,587.80 - Step 4: Simplify right side
670,963.95x = 198,793,315,769.79 - Step 5: Solve for x
x = 198,793,315,769.79/670,963.95 - Step 6: Final answer
x = 296,280.17
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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.