Finding the Fourth Proportional to 470,122.93, 648,751.46 and 255,258.08
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Solution
The fourth proportional to 470,122.93, 648,751.46 and 255,258.08 is: 352,246.28
Step by Step Solution
- Step 1: Write the proportion equation
470,122.93 : 648,751.46 = 255,258.08 : x - Step 2: Convert to fraction form
470,122.93/648,751.46 = 255,258.08/x - Step 3: Cross multiply
470,122.93x = 648,751.46 × 255,258.08 - Step 4: Simplify right side
470,122.93x = 165,599,052,076.80 - Step 5: Solve for x
x = 165,599,052,076.80/470,122.93 - Step 6: Final answer
x = 352,246.28
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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.