Finding the Fourth Proportional to 330,061.12, 495,117.84 and 93,405.28
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Solution
The fourth proportional to 330,061.12, 495,117.84 and 93,405.28 is: 140,115.32
Step by Step Solution
- Step 1: Write the proportion equation
330,061.12 : 495,117.84 = 93,405.28 : x - Step 2: Convert to fraction form
330,061.12/495,117.84 = 93,405.28/x - Step 3: Cross multiply
330,061.12x = 495,117.84 × 93,405.28 - Step 4: Simplify right side
330,061.12x = 46,246,620,478.20 - Step 5: Solve for x
x = 46,246,620,478.20/330,061.12 - Step 6: Final answer
x = 140,115.32
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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.