Finding the Fourth Proportional to 153,342.36, 211,393.80 and 119,291.04
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Solution
The fourth proportional to 153,342.36, 211,393.80 and 119,291.04 is: 164,451.53
Step by Step Solution
- Step 1: Write the proportion equation
153,342.36 : 211,393.80 = 119,291.04 : x - Step 2: Convert to fraction form
153,342.36/211,393.80 = 119,291.04/x - Step 3: Cross multiply
153,342.36x = 211,393.80 × 119,291.04 - Step 4: Simplify right side
153,342.36x = 25,217,386,251.55 - Step 5: Solve for x
x = 25,217,386,251.55/153,342.36 - Step 6: Final answer
x = 164,451.53
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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.