Finding the Fourth Proportional to 110,291.06, 152,201.76 and 59,990.06
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Solution
The fourth proportional to 110,291.06, 152,201.76 and 59,990.06 is: 82,786.34
Step by Step Solution
- Step 1: Write the proportion equation
110,291.06 : 152,201.76 = 59,990.06 : x - Step 2: Convert to fraction form
110,291.06/152,201.76 = 59,990.06/x - Step 3: Cross multiply
110,291.06x = 152,201.76 × 59,990.06 - Step 4: Simplify right side
110,291.06x = 9,130,592,714.51 - Step 5: Solve for x
x = 9,130,592,714.51/110,291.06 - Step 6: Final answer
x = 82,786.34
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1.5x scale
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.