Finding the Fourth Proportional to 175,564.99, 242,279.40 and 99,100.18
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Solution
The fourth proportional to 175,564.99, 242,279.40 and 99,100.18 is: 136,758.09
Step by Step Solution
- Step 1: Write the proportion equation
175,564.99 : 242,279.40 = 99,100.18 : x - Step 2: Convert to fraction form
175,564.99/242,279.40 = 99,100.18/x - Step 3: Cross multiply
175,564.99x = 242,279.40 × 99,100.18 - Step 4: Simplify right side
175,564.99x = 24,009,932,150.29 - Step 5: Solve for x
x = 24,009,932,150.29/175,564.99 - Step 6: Final answer
x = 136,758.09
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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.