Finding the Fourth Proportional to 155,278.56, 214,350.93 and 106,948.29
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Solution
The fourth proportional to 155,278.56, 214,350.93 and 106,948.29 is: 147,634.45
Step by Step Solution
- Step 1: Write the proportion equation
155,278.56 : 214,350.93 = 106,948.29 : x - Step 2: Convert to fraction form
155,278.56/214,350.93 = 106,948.29/x - Step 3: Cross multiply
155,278.56x = 214,350.93 × 106,948.29 - Step 4: Simplify right side
155,278.56x = 22,924,465,423.41 - Step 5: Solve for x
x = 22,924,465,423.41/155,278.56 - Step 6: Final answer
x = 147,634.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.