Finding the Fourth Proportional to 176,151.98, 243,152.78 and 104,531.99
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Solution
The fourth proportional to 176,151.98, 243,152.78 and 104,531.99 is: 144,291.55
Step by Step Solution
- Step 1: Write the proportion equation
176,151.98 : 243,152.78 = 104,531.99 : x - Step 2: Convert to fraction form
176,151.98/243,152.78 = 104,531.99/x - Step 3: Cross multiply
176,151.98x = 243,152.78 × 104,531.99 - Step 4: Simplify right side
176,151.98x = 25,417,242,229.01 - Step 5: Solve for x
x = 25,417,242,229.01/176,151.98 - Step 6: Final answer
x = 144,291.55
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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.