Finding the Fourth Proportional to 219,001.36, 302,406.06 and 147,617.68
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Solution
The fourth proportional to 219,001.36, 302,406.06 and 147,617.68 is: 203,836.55
Step by Step Solution
- Step 1: Write the proportion equation
219,001.36 : 302,406.06 = 147,617.68 : x - Step 2: Convert to fraction form
219,001.36/302,406.06 = 147,617.68/x - Step 3: Cross multiply
219,001.36x = 302,406.06 × 147,617.68 - Step 4: Simplify right side
219,001.36x = 44,640,480,995.14 - Step 5: Solve for x
x = 44,640,480,995.14/219,001.36 - Step 6: Final answer
x = 203,836.55
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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.