Finding the Fourth Proportional to 266,101.47, 399,328.49 and 146,242.12
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Solution
The fourth proportional to 266,101.47, 399,328.49 and 146,242.12 is: 219,460.07
Step by Step Solution
- Step 1: Write the proportion equation
266,101.47 : 399,328.49 = 146,242.12 : x - Step 2: Convert to fraction form
266,101.47/399,328.49 = 146,242.12/x - Step 3: Cross multiply
266,101.47x = 399,328.49 × 146,242.12 - Step 4: Simplify right side
266,101.47x = 58,398,645,818.76 - Step 5: Solve for x
x = 58,398,645,818.76/266,101.47 - Step 6: Final answer
x = 219,460.07
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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.