Finding the Fourth Proportional to 260,225.68, 390,072.48 and 147,668.08
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Solution
The fourth proportional to 260,225.68, 390,072.48 and 147,668.08 is: 221,351.15
Step by Step Solution
- Step 1: Write the proportion equation
260,225.68 : 390,072.48 = 147,668.08 : x - Step 2: Convert to fraction form
260,225.68/390,072.48 = 147,668.08/x - Step 3: Cross multiply
260,225.68x = 390,072.48 × 147,668.08 - Step 4: Simplify right side
260,225.68x = 57,601,254,182.44 - Step 5: Solve for x
x = 57,601,254,182.44/260,225.68 - Step 6: Final answer
x = 221,351.15
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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.