Finding the Fourth Proportional to 177,987.18, 266,952.69 and 83,283.06
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Solution
The fourth proportional to 177,987.18, 266,952.69 and 83,283.06 is: 124,911.45
Step by Step Solution
- Step 1: Write the proportion equation
177,987.18 : 266,952.69 = 83,283.06 : x - Step 2: Convert to fraction form
177,987.18/266,952.69 = 83,283.06/x - Step 3: Cross multiply
177,987.18x = 266,952.69 × 83,283.06 - Step 4: Simplify right side
177,987.18x = 22,232,636,898.43 - Step 5: Solve for x
x = 22,232,636,898.43/177,987.18 - Step 6: Final answer
x = 124,911.45
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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.