Finding the Fourth Proportional to 447,242.01, 670,726.45 and 127,419.99
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Solution
The fourth proportional to 447,242.01, 670,726.45 and 127,419.99 is: 191,091.08
Step by Step Solution
- Step 1: Write the proportion equation
447,242.01 : 670,726.45 = 127,419.99 : x - Step 2: Convert to fraction form
447,242.01/670,726.45 = 127,419.99/x - Step 3: Cross multiply
447,242.01x = 670,726.45 × 127,419.99 - Step 4: Simplify right side
447,242.01x = 85,463,957,551.74 - Step 5: Solve for x
x = 85,463,957,551.74/447,242.01 - Step 6: Final answer
x = 191,091.08
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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.