Finding the Fourth Proportional to 310,452.76, 465,289.58 and 132,750.81
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Solution
The fourth proportional to 310,452.76, 465,289.58 and 132,750.81 is: 198,959.63
Step by Step Solution
- Step 1: Write the proportion equation
310,452.76 : 465,289.58 = 132,750.81 : x - Step 2: Convert to fraction form
310,452.76/465,289.58 = 132,750.81/x - Step 3: Cross multiply
310,452.76x = 465,289.58 × 132,750.81 - Step 4: Simplify right side
310,452.76x = 61,767,565,639.36 - Step 5: Solve for x
x = 61,767,565,639.36/310,452.76 - Step 6: Final answer
x = 198,959.63
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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.