Finding the Fourth Proportional to 260,306.18, 390,519.42 and 110,551.36
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Solution
The fourth proportional to 260,306.18, 390,519.42 and 110,551.36 is: 165,852.59
Step by Step Solution
- Step 1: Write the proportion equation
260,306.18 : 390,519.42 = 110,551.36 : x - Step 2: Convert to fraction form
260,306.18/390,519.42 = 110,551.36/x - Step 3: Cross multiply
260,306.18x = 390,519.42 × 110,551.36 - Step 4: Simplify right side
260,306.18x = 43,172,452,987.41 - Step 5: Solve for x
x = 43,172,452,987.41/260,306.18 - Step 6: Final answer
x = 165,852.59
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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.