Finding the Fourth Proportional to 574,246.13, 861,303.45 and 153,554.81
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Solution
The fourth proportional to 574,246.13, 861,303.45 and 153,554.81 is: 230,314.63
Step by Step Solution
- Step 1: Write the proportion equation
574,246.13 : 861,303.45 = 153,554.81 : x - Step 2: Convert to fraction form
574,246.13/861,303.45 = 153,554.81/x - Step 3: Cross multiply
574,246.13x = 861,303.45 × 153,554.81 - Step 4: Simplify right side
574,246.13x = 132,257,283,310.58 - Step 5: Solve for x
x = 132,257,283,310.58/574,246.13 - Step 6: Final answer
x = 230,314.63
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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.