Finding the Fourth Proportional to 159,458.04, 239,216.49 and 65,971.08
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Solution
The fourth proportional to 159,458.04, 239,216.49 and 65,971.08 is: 98,968.80
Step by Step Solution
- Step 1: Write the proportion equation
159,458.04 : 239,216.49 = 65,971.08 : x - Step 2: Convert to fraction form
159,458.04/239,216.49 = 65,971.08/x - Step 3: Cross multiply
159,458.04x = 239,216.49 × 65,971.08 - Step 4: Simplify right side
159,458.04x = 15,781,370,199.11 - Step 5: Solve for x
x = 15,781,370,199.11/159,458.04 - Step 6: Final answer
x = 98,968.80
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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.