Finding the Fourth Proportional to 461,887.76, 692,851.12 and 146,337.68
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Solution
The fourth proportional to 461,887.76, 692,851.12 and 146,337.68 is: 219,512.69
Step by Step Solution
- Step 1: Write the proportion equation
461,887.76 : 692,851.12 = 146,337.68 : x - Step 2: Convert to fraction form
461,887.76/692,851.12 = 146,337.68/x - Step 3: Cross multiply
461,887.76x = 692,851.12 × 146,337.68 - Step 4: Simplify right side
461,887.76x = 101,390,225,486.20 - Step 5: Solve for x
x = 101,390,225,486.20/461,887.76 - Step 6: Final answer
x = 219,512.69
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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.