Finding the Fourth Proportional to 175,864.55, 242,776.76 and 117,821.23
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Solution
The fourth proportional to 175,864.55, 242,776.76 and 117,821.23 is: 162,649.36
Step by Step Solution
- Step 1: Write the proportion equation
175,864.55 : 242,776.76 = 117,821.23 : x - Step 2: Convert to fraction form
175,864.55/242,776.76 = 117,821.23/x - Step 3: Cross multiply
175,864.55x = 242,776.76 × 117,821.23 - Step 4: Simplify right side
175,864.55x = 28,604,256,166.23 - Step 5: Solve for x
x = 28,604,256,166.23/175,864.55 - Step 6: Final answer
x = 162,649.36
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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.