Finding the Fourth Proportional to 472,317.36, 708,473.52 and 117,331.44
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Solution
The fourth proportional to 472,317.36, 708,473.52 and 117,331.44 is: 175,996.53
Step by Step Solution
- Step 1: Write the proportion equation
472,317.36 : 708,473.52 = 117,331.44 : x - Step 2: Convert to fraction form
472,317.36/708,473.52 = 117,331.44/x - Step 3: Cross multiply
472,317.36x = 708,473.52 × 117,331.44 - Step 4: Simplify right side
472,317.36x = 83,126,218,303.47 - Step 5: Solve for x
x = 83,126,218,303.47/472,317.36 - Step 6: Final answer
x = 175,996.53
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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.