Finding the Fourth Proportional to 314,432.74, 433,963.74 and 185,394.88
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Solution
The fourth proportional to 314,432.74, 433,963.74 and 185,394.88 is: 255,872.39
Step by Step Solution
- Step 1: Write the proportion equation
314,432.74 : 433,963.74 = 185,394.88 : x - Step 2: Convert to fraction form
314,432.74/433,963.74 = 185,394.88/x - Step 3: Cross multiply
314,432.74x = 433,963.74 × 185,394.88 - Step 4: Simplify right side
314,432.74x = 80,454,655,501.65 - Step 5: Solve for x
x = 80,454,655,501.65/314,432.74 - Step 6: Final answer
x = 255,872.39
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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.