Finding the Fourth Proportional to 473,135.70, 709,703.55 and 140,711.70
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Solution
The fourth proportional to 473,135.70, 709,703.55 and 140,711.70 is: 211,067.55
Step by Step Solution
- Step 1: Write the proportion equation
473,135.70 : 709,703.55 = 140,711.70 : x - Step 2: Convert to fraction form
473,135.70/709,703.55 = 140,711.70/x - Step 3: Cross multiply
473,135.70x = 709,703.55 × 140,711.70 - Step 4: Simplify right side
473,135.70x = 99,863,593,016.54 - Step 5: Solve for x
x = 99,863,593,016.54/473,135.70 - Step 6: Final answer
x = 211,067.55
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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.