Finding the Fourth Proportional to 245,909.70, 368,864.55 and 245,909.70
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Solution
The fourth proportional to 245,909.70, 368,864.55 and 245,909.70 is: 368,864.55
Step by Step Solution
- Step 1: Write the proportion equation
245,909.70 : 368,864.55 = 245,909.70 : x - Step 2: Convert to fraction form
245,909.70/368,864.55 = 245,909.70/x - Step 3: Cross multiply
245,909.70x = 368,864.55 × 245,909.70 - Step 4: Simplify right side
245,909.70x = 90,707,370,831.14 - Step 5: Solve for x
x = 90,707,370,831.14/245,909.70 - Step 6: Final answer
x = 368,864.55
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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.