Finding the Fourth Proportional to 316,183.84, 474,275.76 and 126,730.08
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Solution
The fourth proportional to 316,183.84, 474,275.76 and 126,730.08 is: 190,095.12
Step by Step Solution
- Step 1: Write the proportion equation
316,183.84 : 474,275.76 = 126,730.08 : x - Step 2: Convert to fraction form
316,183.84/474,275.76 = 126,730.08/x - Step 3: Cross multiply
316,183.84x = 474,275.76 × 126,730.08 - Step 4: Simplify right side
316,183.84x = 60,105,005,006.86 - Step 5: Solve for x
x = 60,105,005,006.86/316,183.84 - Step 6: Final answer
x = 190,095.12
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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.