Finding the Fourth Proportional to 293,128.18, 439,724.13 and 93,401.62
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Solution
The fourth proportional to 293,128.18, 439,724.13 and 93,401.62 is: 140,112.58
Step by Step Solution
- Step 1: Write the proportion equation
293,128.18 : 439,724.13 = 93,401.62 : x - Step 2: Convert to fraction form
293,128.18/439,724.13 = 93,401.62/x - Step 3: Cross multiply
293,128.18x = 439,724.13 × 93,401.62 - Step 4: Simplify right side
293,128.18x = 41,070,946,095.09 - Step 5: Solve for x
x = 41,070,946,095.09/293,128.18 - Step 6: Final answer
x = 140,112.58
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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.