Finding the Fourth Proportional to 245,323.99, 338,432.78 and 159,276.48
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Solution
The fourth proportional to 245,323.99, 338,432.78 and 159,276.48 is: 219,727.31
Step by Step Solution
- Step 1: Write the proportion equation
245,323.99 : 338,432.78 = 159,276.48 : x - Step 2: Convert to fraction form
245,323.99/338,432.78 = 159,276.48/x - Step 3: Cross multiply
245,323.99x = 338,432.78 × 159,276.48 - Step 4: Simplify right side
245,323.99x = 53,904,381,044.08 - Step 5: Solve for x
x = 53,904,381,044.08/245,323.99 - Step 6: Final answer
x = 219,727.31
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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.