Finding the Fourth Proportional to 199,323.84, 298,828.79 and 99,432.62
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Solution
The fourth proportional to 199,323.84, 298,828.79 and 99,432.62 is: 149,070.63
Step by Step Solution
- Step 1: Write the proportion equation
199,323.84 : 298,828.79 = 99,432.62 : x - Step 2: Convert to fraction form
199,323.84/298,828.79 = 99,432.62/x - Step 3: Cross multiply
199,323.84x = 298,828.79 × 99,432.62 - Step 4: Simplify right side
199,323.84x = 29,713,329,521.13 - Step 5: Solve for x
x = 29,713,329,521.13/199,323.84 - Step 6: Final answer
x = 149,070.63
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1.5x scale
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.