Finding the Fourth Proportional to 318,141.59, 439,035.68 and 174,904.07
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Solution
The fourth proportional to 318,141.59, 439,035.68 and 174,904.07 is: 241,367.77
Step by Step Solution
- Step 1: Write the proportion equation
318,141.59 : 439,035.68 = 174,904.07 : x - Step 2: Convert to fraction form
318,141.59/439,035.68 = 174,904.07/x - Step 3: Cross multiply
318,141.59x = 439,035.68 × 174,904.07 - Step 4: Simplify right side
318,141.59x = 76,789,126,432.70 - Step 5: Solve for x
x = 76,789,126,432.70/318,141.59 - Step 6: Final answer
x = 241,367.77
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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.