Finding the Fourth Proportional to 147,240.36, 202,987.62 and 99,417.96
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Solution
The fourth proportional to 147,240.36, 202,987.62 and 99,417.96 is: 137,058.99
Step by Step Solution
- Step 1: Write the proportion equation
147,240.36 : 202,987.62 = 99,417.96 : x - Step 2: Convert to fraction form
147,240.36/202,987.62 = 99,417.96/x - Step 3: Cross multiply
147,240.36x = 202,987.62 × 99,417.96 - Step 4: Simplify right side
147,240.36x = 20,180,615,085.66 - Step 5: Solve for x
x = 20,180,615,085.66/147,240.36 - Step 6: Final answer
x = 137,058.99
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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.