Finding the Fourth Proportional to 266,210.80, 399,425.55 and 97,811.80
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Solution
The fourth proportional to 266,210.80, 399,425.55 and 97,811.80 is: 146,757.88
Step by Step Solution
- Step 1: Write the proportion equation
266,210.80 : 399,425.55 = 97,811.80 : x - Step 2: Convert to fraction form
266,210.80/399,425.55 = 97,811.80/x - Step 3: Cross multiply
266,210.80x = 399,425.55 × 97,811.80 - Step 4: Simplify right side
266,210.80x = 39,068,532,011.49 - Step 5: Solve for x
x = 39,068,532,011.49/266,210.80 - Step 6: Final answer
x = 146,757.88
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1.5x scale
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.