Finding the Fourth Proportional to 292,518.70, 438,432.45 and 124,038.70
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Solution
The fourth proportional to 292,518.70, 438,432.45 and 124,038.70 is: 185,911.50
Step by Step Solution
- Step 1: Write the proportion equation
292,518.70 : 438,432.45 = 124,038.70 : x - Step 2: Convert to fraction form
292,518.70/438,432.45 = 124,038.70/x - Step 3: Cross multiply
292,518.70x = 438,432.45 × 124,038.70 - Step 4: Simplify right side
292,518.70x = 54,382,591,135.82 - Step 5: Solve for x
x = 54,382,591,135.82/292,518.70 - Step 6: Final answer
x = 185,911.50
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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.