Finding the Fourth Proportional to 435,800.18, 653,682.45 and 120,249.02
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Solution
The fourth proportional to 435,800.18, 653,682.45 and 120,249.02 is: 180,368.62
Step by Step Solution
- Step 1: Write the proportion equation
435,800.18 : 653,682.45 = 120,249.02 : x - Step 2: Convert to fraction form
435,800.18/653,682.45 = 120,249.02/x - Step 3: Cross multiply
435,800.18x = 653,682.45 × 120,249.02 - Step 4: Simplify right side
435,800.18x = 78,604,676,088.84 - Step 5: Solve for x
x = 78,604,676,088.84/435,800.18 - Step 6: Final answer
x = 180,368.62
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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.