Finding the Fourth Proportional to 246,346.80, 369,532.35 and 128,248.80
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Solution
The fourth proportional to 246,346.80, 369,532.35 and 128,248.80 is: 192,379.53
Step by Step Solution
- Step 1: Write the proportion equation
246,346.80 : 369,532.35 = 128,248.80 : x - Step 2: Convert to fraction form
246,346.80/369,532.35 = 128,248.80/x - Step 3: Cross multiply
246,346.80x = 369,532.35 × 128,248.80 - Step 4: Simplify right side
246,346.80x = 47,392,080,448.68 - Step 5: Solve for x
x = 47,392,080,448.68/246,346.80 - Step 6: Final answer
x = 192,379.53
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1.5x scale
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.