Finding the Fourth Proportional to 157,347.08, 235,987.80 and 57,554.26
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Solution
The fourth proportional to 157,347.08, 235,987.80 and 57,554.26 is: 86,319.39
Step by Step Solution
- Step 1: Write the proportion equation
157,347.08 : 235,987.80 = 57,554.26 : x - Step 2: Convert to fraction form
157,347.08/235,987.80 = 57,554.26/x - Step 3: Cross multiply
157,347.08x = 235,987.80 × 57,554.26 - Step 4: Simplify right side
157,347.08x = 13,582,103,198.03 - Step 5: Solve for x
x = 13,582,103,198.03/157,347.08 - Step 6: Final answer
x = 86,319.39
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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.