Finding the Fourth Proportional to 352,024.50, 485,877.84 and 208,867.62
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Solution
The fourth proportional to 352,024.50, 485,877.84 and 208,867.62 is: 288,287.17
Step by Step Solution
- Step 1: Write the proportion equation
352,024.50 : 485,877.84 = 208,867.62 : x - Step 2: Convert to fraction form
352,024.50/485,877.84 = 208,867.62/x - Step 3: Cross multiply
352,024.50x = 485,877.84 × 208,867.62 - Step 4: Simplify right side
352,024.50x = 101,484,148,051.54 - Step 5: Solve for x
x = 101,484,148,051.54/352,024.50 - Step 6: Final answer
x = 288,287.17
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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.