Finding the Fourth Proportional to 283,166.58, 390,681.90 and 160,638.75
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Solution
The fourth proportional to 283,166.58, 390,681.90 and 160,638.75 is: 221,631.56
Step by Step Solution
- Step 1: Write the proportion equation
283,166.58 : 390,681.90 = 160,638.75 : x - Step 2: Convert to fraction form
283,166.58/390,681.90 = 160,638.75/x - Step 3: Cross multiply
283,166.58x = 390,681.90 × 160,638.75 - Step 4: Simplify right side
283,166.58x = 62,758,652,063.63 - Step 5: Solve for x
x = 62,758,652,063.63/283,166.58 - Step 6: Final answer
x = 221,631.56
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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.