Finding the Fourth Proportional to 325,307.08, 487,979.76 and 125,628.52
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Solution
The fourth proportional to 325,307.08, 487,979.76 and 125,628.52 is: 188,450.17
Step by Step Solution
- Step 1: Write the proportion equation
325,307.08 : 487,979.76 = 125,628.52 : x - Step 2: Convert to fraction form
325,307.08/487,979.76 = 125,628.52/x - Step 3: Cross multiply
325,307.08x = 487,979.76 × 125,628.52 - Step 4: Simplify right side
325,307.08x = 61,304,175,038.76 - Step 5: Solve for x
x = 61,304,175,038.76/325,307.08 - Step 6: Final answer
x = 188,450.17
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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.