Finding the Fourth Proportional to 266,246.30, 399,478.80 and 97,847.30
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Solution
The fourth proportional to 266,246.30, 399,478.80 and 97,847.30 is: 146,811.14
Step by Step Solution
- Step 1: Write the proportion equation
266,246.30 : 399,478.80 = 97,847.30 : x - Step 2: Convert to fraction form
266,246.30/399,478.80 = 97,847.30/x - Step 3: Cross multiply
266,246.30x = 399,478.80 × 97,847.30 - Step 4: Simplify right side
266,246.30x = 39,087,921,987.24 - Step 5: Solve for x
x = 39,087,921,987.24/266,246.30 - Step 6: Final answer
x = 146,811.14
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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.