Finding the Fourth Proportional to 219,543.08, 302,954.50 and 124,053.80
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Solution
The fourth proportional to 219,543.08, 302,954.50 and 124,053.80 is: 171,185.80
Step by Step Solution
- Step 1: Write the proportion equation
219,543.08 : 302,954.50 = 124,053.80 : x - Step 2: Convert to fraction form
219,543.08/302,954.50 = 124,053.80/x - Step 3: Cross multiply
219,543.08x = 302,954.50 × 124,053.80 - Step 4: Simplify right side
219,543.08x = 37,582,656,952.10 - Step 5: Solve for x
x = 37,582,656,952.10/219,543.08 - Step 6: Final answer
x = 171,185.80
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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.