Finding the Fourth Proportional to 260,209.48, 390,048.33 and 147,651.91
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Solution
The fourth proportional to 260,209.48, 390,048.33 and 147,651.91 is: 221,326.99
Step by Step Solution
- Step 1: Write the proportion equation
260,209.48 : 390,048.33 = 147,651.91 : x - Step 2: Convert to fraction form
260,209.48/390,048.33 = 147,651.91/x - Step 3: Cross multiply
260,209.48x = 390,048.33 × 147,651.91 - Step 4: Simplify right side
260,209.48x = 57,591,380,916.81 - Step 5: Solve for x
x = 57,591,380,916.81/260,209.48 - Step 6: Final answer
x = 221,326.99
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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.