Finding the Fourth Proportional to 187,362.06, 258,565.80 and 102,479.12
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Solution
The fourth proportional to 187,362.06, 258,565.80 and 102,479.12 is: 141,424.55
Step by Step Solution
- Step 1: Write the proportion equation
187,362.06 : 258,565.80 = 102,479.12 : x - Step 2: Convert to fraction form
187,362.06/258,565.80 = 102,479.12/x - Step 3: Cross multiply
187,362.06x = 258,565.80 × 102,479.12 - Step 4: Simplify right side
187,362.06x = 26,497,595,646.10 - Step 5: Solve for x
x = 26,497,595,646.10/187,362.06 - Step 6: Final answer
x = 141,424.55
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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.