Finding the Fourth Proportional to 508,340.92, 762,516.87 and 153,358.03
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Solution
The fourth proportional to 508,340.92, 762,516.87 and 153,358.03 is: 230,038.70
Step by Step Solution
- Step 1: Write the proportion equation
508,340.92 : 762,516.87 = 153,358.03 : x - Step 2: Convert to fraction form
508,340.92/762,516.87 = 153,358.03/x - Step 3: Cross multiply
508,340.92x = 762,516.87 × 153,358.03 - Step 4: Simplify right side
508,340.92x = 116,938,085,024.97 - Step 5: Solve for x
x = 116,938,085,024.97/508,340.92 - Step 6: Final answer
x = 230,038.70
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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.