Finding the Fourth Proportional to 219,566.16, 302,997.36 and 124,070.80
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Solution
The fourth proportional to 219,566.16, 302,997.36 and 124,070.80 is: 171,215.48
Step by Step Solution
- Step 1: Write the proportion equation
219,566.16 : 302,997.36 = 124,070.80 : x - Step 2: Convert to fraction form
219,566.16/302,997.36 = 124,070.80/x - Step 3: Cross multiply
219,566.16x = 302,997.36 × 124,070.80 - Step 4: Simplify right side
219,566.16x = 37,593,124,853.09 - Step 5: Solve for x
x = 37,593,124,853.09/219,566.16 - Step 6: Final answer
x = 171,215.48
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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.