Finding the Fourth Proportional to 97,309.24, 145,679.37 and 87,970.66
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Solution
The fourth proportional to 97,309.24, 145,679.37 and 87,970.66 is: 131,698.80
Step by Step Solution
- Step 1: Write the proportion equation
97,309.24 : 145,679.37 = 87,970.66 : x - Step 2: Convert to fraction form
97,309.24/145,679.37 = 87,970.66/x - Step 3: Cross multiply
97,309.24x = 145,679.37 × 87,970.66 - Step 4: Simplify right side
97,309.24x = 12,815,510,327.28 - Step 5: Solve for x
x = 12,815,510,327.28/97,309.24 - Step 6: Final answer
x = 131,698.80
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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.