Finding the Fourth Proportional to 283,351.06, 390,936.60 and 160,823.44
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Solution
The fourth proportional to 283,351.06, 390,936.60 and 160,823.44 is: 221,886.48
Step by Step Solution
- Step 1: Write the proportion equation
283,351.06 : 390,936.60 = 160,823.44 : x - Step 2: Convert to fraction form
283,351.06/390,936.60 = 160,823.44/x - Step 3: Cross multiply
283,351.06x = 390,936.60 × 160,823.44 - Step 4: Simplify right side
283,351.06x = 62,871,768,833.90 - Step 5: Solve for x
x = 62,871,768,833.90/283,351.06 - Step 6: Final answer
x = 221,886.48
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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.