Finding the Fourth Proportional to 185,873.61, 278,809.89 and 52,753.99
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Solution
The fourth proportional to 185,873.61, 278,809.89 and 52,753.99 is: 79,130.84
Step by Step Solution
- Step 1: Write the proportion equation
185,873.61 : 278,809.89 = 52,753.99 : x - Step 2: Convert to fraction form
185,873.61/278,809.89 = 52,753.99/x - Step 3: Cross multiply
185,873.61x = 278,809.89 × 52,753.99 - Step 4: Simplify right side
185,873.61x = 14,708,334,148.96 - Step 5: Solve for x
x = 14,708,334,148.96/185,873.61 - Step 6: Final answer
x = 79,130.84
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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.