Finding the Fourth Proportional to 430,130.88, 645,302.16 and 149,650.56
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Solution
The fourth proportional to 430,130.88, 645,302.16 and 149,650.56 is: 224,512.66
Step by Step Solution
- Step 1: Write the proportion equation
430,130.88 : 645,302.16 = 149,650.56 : x - Step 2: Convert to fraction form
430,130.88/645,302.16 = 149,650.56/x - Step 3: Cross multiply
430,130.88x = 645,302.16 × 149,650.56 - Step 4: Simplify right side
430,130.88x = 96,569,829,613.21 - Step 5: Solve for x
x = 96,569,829,613.21/430,130.88 - Step 6: Final answer
x = 224,512.66
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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.