Finding the Fourth Proportional to 408,314.74, 612,470.74 and 104,708.57
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Solution
The fourth proportional to 408,314.74, 612,470.74 and 104,708.57 is: 157,062.50
Step by Step Solution
- Step 1: Write the proportion equation
408,314.74 : 612,470.74 = 104,708.57 : x - Step 2: Convert to fraction form
408,314.74/612,470.74 = 104,708.57/x - Step 3: Cross multiply
408,314.74x = 612,470.74 × 104,708.57 - Step 4: Simplify right side
408,314.74x = 64,130,935,352.24 - Step 5: Solve for x
x = 64,130,935,352.24/408,314.74 - Step 6: Final answer
x = 157,062.50
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1.5x scale
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.