Finding the Fourth Proportional to 236,209.70, 354,343.35 and 86,426.66
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Solution
The fourth proportional to 236,209.70, 354,343.35 and 86,426.66 is: 129,650.53
Step by Step Solution
- Step 1: Write the proportion equation
236,209.70 : 354,343.35 = 86,426.66 : x - Step 2: Convert to fraction form
236,209.70/354,343.35 = 86,426.66/x - Step 3: Cross multiply
236,209.70x = 354,343.35 × 86,426.66 - Step 4: Simplify right side
236,209.70x = 30,624,712,233.71 - Step 5: Solve for x
x = 30,624,712,233.71/236,209.70 - Step 6: Final answer
x = 129,650.53
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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.