Finding the Fourth Proportional to 245,780.03, 368,565.69 and 103,689.02
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Solution
The fourth proportional to 245,780.03, 368,565.69 and 103,689.02 is: 155,489.50
Step by Step Solution
- Step 1: Write the proportion equation
245,780.03 : 368,565.69 = 103,689.02 : x - Step 2: Convert to fraction form
245,780.03/368,565.69 = 103,689.02/x - Step 3: Cross multiply
245,780.03x = 368,565.69 × 103,689.02 - Step 4: Simplify right side
245,780.03x = 38,216,215,201.72 - Step 5: Solve for x
x = 38,216,215,201.72/245,780.03 - Step 6: Final answer
x = 155,489.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.