Finding the Fourth Proportional to 250,171.86, 375,215.52 and 70,215.99
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Solution
The fourth proportional to 250,171.86, 375,215.52 and 70,215.99 is: 105,312.12
Step by Step Solution
- Step 1: Write the proportion equation
250,171.86 : 375,215.52 = 70,215.99 : x - Step 2: Convert to fraction form
250,171.86/375,215.52 = 70,215.99/x - Step 3: Cross multiply
250,171.86x = 375,215.52 × 70,215.99 - Step 4: Simplify right side
250,171.86x = 26,346,127,324.09 - Step 5: Solve for x
x = 26,346,127,324.09/250,171.86 - Step 6: Final answer
x = 105,312.12
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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.