Finding the Fourth Proportional to 472,867.08, 652,653.70 and 289,137.06
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Solution
The fourth proportional to 472,867.08, 652,653.70 and 289,137.06 is: 399,068.53
Step by Step Solution
- Step 1: Write the proportion equation
472,867.08 : 652,653.70 = 289,137.06 : x - Step 2: Convert to fraction form
472,867.08/652,653.70 = 289,137.06/x - Step 3: Cross multiply
472,867.08x = 652,653.70 × 289,137.06 - Step 4: Simplify right side
472,867.08x = 188,706,372,016.12 - Step 5: Solve for x
x = 188,706,372,016.12/472,867.08 - Step 6: Final answer
x = 399,068.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.