Finding the Fourth Proportional to 266,780.48, 368,168.84 and 153,639.68
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Solution
The fourth proportional to 266,780.48, 368,168.84 and 153,639.68 is: 212,029.54
Step by Step Solution
- Step 1: Write the proportion equation
266,780.48 : 368,168.84 = 153,639.68 : x - Step 2: Convert to fraction form
266,780.48/368,168.84 = 153,639.68/x - Step 3: Cross multiply
266,780.48x = 368,168.84 × 153,639.68 - Step 4: Simplify right side
266,780.48x = 56,565,340,154.53 - Step 5: Solve for x
x = 56,565,340,154.53/266,780.48 - Step 6: Final answer
x = 212,029.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.