Finding the Fourth Proportional to 260,415.41, 390,176.66 and 174,865.91
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Solution
The fourth proportional to 260,415.41, 390,176.66 and 174,865.91 is: 261,999.08
Step by Step Solution
- Step 1: Write the proportion equation
260,415.41 : 390,176.66 = 174,865.91 : x - Step 2: Convert to fraction form
260,415.41/390,176.66 = 174,865.91/x - Step 3: Cross multiply
260,415.41x = 390,176.66 × 174,865.91 - Step 4: Simplify right side
260,415.41x = 68,228,596,711.66 - Step 5: Solve for x
x = 68,228,596,711.66/260,415.41 - Step 6: Final answer
x = 261,999.08
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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.