Finding the Fourth Proportional to 340,937.20, 511,636.20 and 191,177.20
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Solution
The fourth proportional to 340,937.20, 511,636.20 and 191,177.20 is: 286,894.99
Step by Step Solution
- Step 1: Write the proportion equation
340,937.20 : 511,636.20 = 191,177.20 : x - Step 2: Convert to fraction form
340,937.20/511,636.20 = 191,177.20/x - Step 3: Cross multiply
340,937.20x = 511,636.20 × 191,177.20 - Step 4: Simplify right side
340,937.20x = 97,813,176,134.64 - Step 5: Solve for x
x = 97,813,176,134.64/340,937.20 - Step 6: Final answer
x = 286,894.99
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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.