Finding the Fourth Proportional to 340,565.13, 470,016.79 and 187,618.99
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Solution
The fourth proportional to 340,565.13, 470,016.79 and 187,618.99 is: 258,934.54
Step by Step Solution
- Step 1: Write the proportion equation
340,565.13 : 470,016.79 = 187,618.99 : x - Step 2: Convert to fraction form
340,565.13/470,016.79 = 187,618.99/x - Step 3: Cross multiply
340,565.13x = 470,016.79 × 187,618.99 - Step 4: Simplify right side
340,565.13x = 88,184,074,660.03 - Step 5: Solve for x
x = 88,184,074,660.03/340,565.13 - Step 6: Final answer
x = 258,934.54
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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.