Finding the Fourth Proportional to 159,030.36, 238,574.70 and 65,485.08
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Solution
The fourth proportional to 159,030.36, 238,574.70 and 65,485.08 is: 98,239.63
Step by Step Solution
- Step 1: Write the proportion equation
159,030.36 : 238,574.70 = 65,485.08 : x - Step 2: Convert to fraction form
159,030.36/238,574.70 = 65,485.08/x - Step 3: Cross multiply
159,030.36x = 238,574.70 × 65,485.08 - Step 4: Simplify right side
159,030.36x = 15,623,083,315.48 - Step 5: Solve for x
x = 15,623,083,315.48/159,030.36 - Step 6: Final answer
x = 98,239.63
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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.