Finding the Fourth Proportional to 106,272.39, 159,233.63 and 74,254.71
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Solution
The fourth proportional to 106,272.39, 159,233.63 and 74,254.71 is: 111,259.82
Step by Step Solution
- Step 1: Write the proportion equation
106,272.39 : 159,233.63 = 74,254.71 : x - Step 2: Convert to fraction form
106,272.39/159,233.63 = 74,254.71/x - Step 3: Cross multiply
106,272.39x = 159,233.63 × 74,254.71 - Step 4: Simplify right side
106,272.39x = 11,823,847,017.90 - Step 5: Solve for x
x = 11,823,847,017.90/106,272.39 - Step 6: Final answer
x = 111,259.82
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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.