Finding the Fourth Proportional to 871,209.28, 1,306,879.53 and 240,117.63
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Solution
The fourth proportional to 871,209.28, 1,306,879.53 and 240,117.63 is: 360,194.53
Step by Step Solution
- Step 1: Write the proportion equation
871,209.28 : 1,306,879.53 = 240,117.63 : x - Step 2: Convert to fraction form
871,209.28/1,306,879.53 = 240,117.63/x - Step 3: Cross multiply
871,209.28x = 1,306,879.53 × 240,117.63 - Step 4: Simplify right side
871,209.28x = 313,804,815,439.11 - Step 5: Solve for x
x = 313,804,815,439.11/871,209.28 - Step 6: Final answer
x = 360,194.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.