Finding the Fourth Proportional to 81,395.04, 122,073.42 and 22,216.62
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Solution
The fourth proportional to 81,395.04, 122,073.42 and 22,216.62 is: 33,319.71
Step by Step Solution
- Step 1: Write the proportion equation
81,395.04 : 122,073.42 = 22,216.62 : x - Step 2: Convert to fraction form
81,395.04/122,073.42 = 22,216.62/x - Step 3: Cross multiply
81,395.04x = 122,073.42 × 22,216.62 - Step 4: Simplify right side
81,395.04x = 2,712,058,784.24 - Step 5: Solve for x
x = 2,712,058,784.24/81,395.04 - Step 6: Final answer
x = 33,319.71
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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.