Finding the Fourth Proportional to 158,638.99, 237,862.66 and 74,417.62
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Solution
The fourth proportional to 158,638.99, 237,862.66 and 74,417.62 is: 111,581.48
Step by Step Solution
- Step 1: Write the proportion equation
158,638.99 : 237,862.66 = 74,417.62 : x - Step 2: Convert to fraction form
158,638.99/237,862.66 = 74,417.62/x - Step 3: Cross multiply
158,638.99x = 237,862.66 × 74,417.62 - Step 4: Simplify right side
158,638.99x = 17,701,173,044.07 - Step 5: Solve for x
x = 17,701,173,044.07/158,638.99 - Step 6: Final answer
x = 111,581.48
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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.