Finding the Fourth Proportional to 246,332.16, 369,122.40 and 128,041.92
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Solution
The fourth proportional to 246,332.16, 369,122.40 and 128,041.92 is: 191,867.52
Step by Step Solution
- Step 1: Write the proportion equation
246,332.16 : 369,122.40 = 128,041.92 : x - Step 2: Convert to fraction form
246,332.16/369,122.40 = 128,041.92/x - Step 3: Cross multiply
246,332.16x = 369,122.40 × 128,041.92 - Step 4: Simplify right side
246,332.16x = 47,263,140,811.01 - Step 5: Solve for x
x = 47,263,140,811.01/246,332.16 - Step 6: Final answer
x = 191,867.52
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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.