Finding the Fourth Proportional to 185,487.24, 278,130.12 and 84,229.68
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Solution
The fourth proportional to 185,487.24, 278,130.12 and 84,229.68 is: 126,298.77
Step by Step Solution
- Step 1: Write the proportion equation
185,487.24 : 278,130.12 = 84,229.68 : x - Step 2: Convert to fraction form
185,487.24/278,130.12 = 84,229.68/x - Step 3: Cross multiply
185,487.24x = 278,130.12 × 84,229.68 - Step 4: Simplify right side
185,487.24x = 23,426,811,005.96 - Step 5: Solve for x
x = 23,426,811,005.96/185,487.24 - Step 6: Final answer
x = 126,298.77
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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.