Finding the Fourth Proportional to 438,772.95, 658,159.43 and 106,348.95
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Solution
The fourth proportional to 438,772.95, 658,159.43 and 106,348.95 is: 159,523.43
Step by Step Solution
- Step 1: Write the proportion equation
438,772.95 : 658,159.43 = 106,348.95 : x - Step 2: Convert to fraction form
438,772.95/658,159.43 = 106,348.95/x - Step 3: Cross multiply
438,772.95x = 658,159.43 × 106,348.95 - Step 4: Simplify right side
438,772.95x = 69,994,564,313.10 - Step 5: Solve for x
x = 69,994,564,313.10/438,772.95 - Step 6: Final answer
x = 159,523.43
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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.