Finding the Fourth Proportional to 316,860.28, 437,267.13 and 173,625.70
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Solution
The fourth proportional to 316,860.28, 437,267.13 and 173,625.70 is: 239,603.44
Step by Step Solution
- Step 1: Write the proportion equation
316,860.28 : 437,267.13 = 173,625.70 : x - Step 2: Convert to fraction form
316,860.28/437,267.13 = 173,625.70/x - Step 3: Cross multiply
316,860.28x = 437,267.13 × 173,625.70 - Step 4: Simplify right side
316,860.28x = 75,920,811,533.24 - Step 5: Solve for x
x = 75,920,811,533.24/316,860.28 - Step 6: Final answer
x = 239,603.44
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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.