Finding the Fourth Proportional to 328,374.91, 453,151.36 and 185,135.12
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Solution
The fourth proportional to 328,374.91, 453,151.36 and 185,135.12 is: 255,483.07
Step by Step Solution
- Step 1: Write the proportion equation
328,374.91 : 453,151.36 = 185,135.12 : x - Step 2: Convert to fraction form
328,374.91/453,151.36 = 185,135.12/x - Step 3: Cross multiply
328,374.91x = 453,151.36 × 185,135.12 - Step 4: Simplify right side
328,374.91x = 83,894,231,076.74 - Step 5: Solve for x
x = 83,894,231,076.74/328,374.91 - Step 6: Final answer
x = 255,483.07
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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.