Finding the Fourth Proportional to 293,187.20, 439,829.40 and 124,788.20
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Solution
The fourth proportional to 293,187.20, 439,829.40 and 124,788.20 is: 187,202.99
Step by Step Solution
- Step 1: Write the proportion equation
293,187.20 : 439,829.40 = 124,788.20 : x - Step 2: Convert to fraction form
293,187.20/439,829.40 = 124,788.20/x - Step 3: Cross multiply
293,187.20x = 439,829.40 × 124,788.20 - Step 4: Simplify right side
293,187.20x = 54,885,519,133.08 - Step 5: Solve for x
x = 54,885,519,133.08/293,187.20 - Step 6: Final answer
x = 187,202.99
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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.