Finding the Fourth Proportional to 487,794.06, 731,081.12 and 235,027.08
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Solution
The fourth proportional to 487,794.06, 731,081.12 and 235,027.08 is: 352,246.72
Step by Step Solution
- Step 1: Write the proportion equation
487,794.06 : 731,081.12 = 235,027.08 : x - Step 2: Convert to fraction form
487,794.06/731,081.12 = 235,027.08/x - Step 3: Cross multiply
487,794.06x = 731,081.12 × 235,027.08 - Step 4: Simplify right side
487,794.06x = 171,823,859,701.59 - Step 5: Solve for x
x = 171,823,859,701.59/487,794.06 - Step 6: Final answer
x = 352,246.72
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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.