Finding the Fourth Proportional to 913,289.80, 1,369,934.70 and 282,202.60
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Solution
The fourth proportional to 913,289.80, 1,369,934.70 and 282,202.60 is: 423,303.90
Step by Step Solution
- Step 1: Write the proportion equation
913,289.80 : 1,369,934.70 = 282,202.60 : x - Step 2: Convert to fraction form
913,289.80/1,369,934.70 = 282,202.60/x - Step 3: Cross multiply
913,289.80x = 1,369,934.70 × 282,202.60 - Step 4: Simplify right side
913,289.80x = 386,599,134,170.22 - Step 5: Solve for x
x = 386,599,134,170.22/913,289.80 - Step 6: Final answer
x = 423,303.90
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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.