Finding the Fourth Proportional to 236,930.79, 355,254.18 and 108,686.49
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Solution
The fourth proportional to 236,930.79, 355,254.18 and 108,686.49 is: 162,964.59
Step by Step Solution
- Step 1: Write the proportion equation
236,930.79 : 355,254.18 = 108,686.49 : x - Step 2: Convert to fraction form
236,930.79/355,254.18 = 108,686.49/x - Step 3: Cross multiply
236,930.79x = 355,254.18 × 108,686.49 - Step 4: Simplify right side
236,930.79x = 38,611,329,882.03 - Step 5: Solve for x
x = 38,611,329,882.03/236,930.79 - Step 6: Final answer
x = 162,964.59
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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.