Finding the Fourth Proportional to 307,587.24, 424,470.60 and 180,262.80
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Solution
The fourth proportional to 307,587.24, 424,470.60 and 180,262.80 is: 248,762.79
Step by Step Solution
- Step 1: Write the proportion equation
307,587.24 : 424,470.60 = 180,262.80 : x - Step 2: Convert to fraction form
307,587.24/424,470.60 = 180,262.80/x - Step 3: Cross multiply
307,587.24x = 424,470.60 × 180,262.80 - Step 4: Simplify right side
307,587.24x = 76,516,258,873.68 - Step 5: Solve for x
x = 76,516,258,873.68/307,587.24 - Step 6: Final answer
x = 248,762.79
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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.