Finding the Fourth Proportional to 166,265.80, 249,398.70 and 83,129.80
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Solution
The fourth proportional to 166,265.80, 249,398.70 and 83,129.80 is: 124,694.70
Step by Step Solution
- Step 1: Write the proportion equation
166,265.80 : 249,398.70 = 83,129.80 : x - Step 2: Convert to fraction form
166,265.80/249,398.70 = 83,129.80/x - Step 3: Cross multiply
166,265.80x = 249,398.70 × 83,129.80 - Step 4: Simplify right side
166,265.80x = 20,732,464,051.26 - Step 5: Solve for x
x = 20,732,464,051.26/166,265.80 - Step 6: Final answer
x = 124,694.70
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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.