Finding the Fourth Proportional to 171,780.68, 236,948.28 and 124,104.08
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Solution
The fourth proportional to 171,780.68, 236,948.28 and 124,104.08 is: 171,184.84
Step by Step Solution
- Step 1: Write the proportion equation
171,780.68 : 236,948.28 = 124,104.08 : x - Step 2: Convert to fraction form
171,780.68/236,948.28 = 124,104.08/x - Step 3: Cross multiply
171,780.68x = 236,948.28 × 124,104.08 - Step 4: Simplify right side
171,780.68x = 29,406,248,296.98 - Step 5: Solve for x
x = 29,406,248,296.98/171,780.68 - Step 6: Final answer
x = 171,184.84
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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.