Finding the Fourth Proportional to 254,502.98, 351,246.33 and 153,900.74
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Solution
The fourth proportional to 254,502.98, 351,246.33 and 153,900.74 is: 212,402.50
Step by Step Solution
- Step 1: Write the proportion equation
254,502.98 : 351,246.33 = 153,900.74 : x - Step 2: Convert to fraction form
254,502.98/351,246.33 = 153,900.74/x - Step 3: Cross multiply
254,502.98x = 351,246.33 × 153,900.74 - Step 4: Simplify right side
254,502.98x = 54,057,070,109.28 - Step 5: Solve for x
x = 54,057,070,109.28/254,502.98 - Step 6: Final answer
x = 212,402.50
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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.