Finding the Fourth Proportional to 417,574.98, 626,055.75 and 133,101.81
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Solution
The fourth proportional to 417,574.98, 626,055.75 and 133,101.81 is: 199,554.95
Step by Step Solution
- Step 1: Write the proportion equation
417,574.98 : 626,055.75 = 133,101.81 : x - Step 2: Convert to fraction form
417,574.98/626,055.75 = 133,101.81/x - Step 3: Cross multiply
417,574.98x = 626,055.75 × 133,101.81 - Step 4: Simplify right side
417,574.98x = 83,329,153,485.91 - Step 5: Solve for x
x = 83,329,153,485.91/417,574.98 - Step 6: Final answer
x = 199,554.95
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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.