Finding the Fourth Proportional to 715,960.16, 1,073,271.36 and 242,315.36
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Solution
The fourth proportional to 715,960.16, 1,073,271.36 and 242,315.36 is: 363,246.66
Step by Step Solution
- Step 1: Write the proportion equation
715,960.16 : 1,073,271.36 = 242,315.36 : x - Step 2: Convert to fraction form
715,960.16/1,073,271.36 = 242,315.36/x - Step 3: Cross multiply
715,960.16x = 1,073,271.36 × 242,315.36 - Step 4: Simplify right side
715,960.16x = 260,070,135,976.09 - Step 5: Solve for x
x = 260,070,135,976.09/715,960.16 - Step 6: Final answer
x = 363,246.66
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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.