Finding the Fourth Proportional to 239,970.24, 360,135.36 and 90,358.08
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Solution
The fourth proportional to 239,970.24, 360,135.36 and 90,358.08 is: 135,604.90
Step by Step Solution
- Step 1: Write the proportion equation
239,970.24 : 360,135.36 = 90,358.08 : x - Step 2: Convert to fraction form
239,970.24/360,135.36 = 90,358.08/x - Step 3: Cross multiply
239,970.24x = 360,135.36 × 90,358.08 - Step 4: Simplify right side
239,970.24x = 32,541,139,669.71 - Step 5: Solve for x
x = 32,541,139,669.71/239,970.24 - Step 6: Final answer
x = 135,604.90
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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.