Finding the Fourth Proportional to 472,722.49, 709,086.35 and 117,736.53
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Solution
The fourth proportional to 472,722.49, 709,086.35 and 117,736.53 is: 176,605.45
Step by Step Solution
- Step 1: Write the proportion equation
472,722.49 : 709,086.35 = 117,736.53 : x - Step 2: Convert to fraction form
472,722.49/709,086.35 = 117,736.53/x - Step 3: Cross multiply
472,722.49x = 709,086.35 × 117,736.53 - Step 4: Simplify right side
472,722.49x = 83,485,365,730.68 - Step 5: Solve for x
x = 83,485,365,730.68/472,722.49 - Step 6: Final answer
x = 176,605.45
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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.