Finding the Fourth Proportional to 353,530.30, 487,882.06 and 192,395.74
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Solution
The fourth proportional to 353,530.30, 487,882.06 and 192,395.74 is: 265,511.70
Step by Step Solution
- Step 1: Write the proportion equation
353,530.30 : 487,882.06 = 192,395.74 : x - Step 2: Convert to fraction form
353,530.30/487,882.06 = 192,395.74/x - Step 3: Cross multiply
353,530.30x = 487,882.06 × 192,395.74 - Step 4: Simplify right side
353,530.30x = 93,866,429,966.42 - Step 5: Solve for x
x = 93,866,429,966.42/353,530.30 - Step 6: Final answer
x = 265,511.70
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1.5x scale
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.