Finding the Fourth Proportional to 110,987.76, 153,176.64 and 62,598.96
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Solution
The fourth proportional to 110,987.76, 153,176.64 and 62,598.96 is: 86,394.20
Step by Step Solution
- Step 1: Write the proportion equation
110,987.76 : 153,176.64 = 62,598.96 : x - Step 2: Convert to fraction form
110,987.76/153,176.64 = 62,598.96/x - Step 3: Cross multiply
110,987.76x = 153,176.64 × 62,598.96 - Step 4: Simplify right side
110,987.76x = 9,588,698,360.29 - Step 5: Solve for x
x = 9,588,698,360.29/110,987.76 - Step 6: Final answer
x = 86,394.20
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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.