Finding the Fourth Proportional to 147,490.20, 221,266.08 and 47,656.08
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Solution
The fourth proportional to 147,490.20, 221,266.08 and 47,656.08 is: 71,494.07
Step by Step Solution
- Step 1: Write the proportion equation
147,490.20 : 221,266.08 = 47,656.08 : x - Step 2: Convert to fraction form
147,490.20/221,266.08 = 47,656.08/x - Step 3: Cross multiply
147,490.20x = 221,266.08 × 47,656.08 - Step 4: Simplify right side
147,490.20x = 10,544,674,009.77 - Step 5: Solve for x
x = 10,544,674,009.77/147,490.20 - Step 6: Final answer
x = 71,494.07
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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.