Finding the Fourth Proportional to 260,950.36, 391,423.47 and 155,068.12
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Solution
The fourth proportional to 260,950.36, 391,423.47 and 155,068.12 is: 232,600.95
Step by Step Solution
- Step 1: Write the proportion equation
260,950.36 : 391,423.47 = 155,068.12 : x - Step 2: Convert to fraction form
260,950.36/391,423.47 = 155,068.12/x - Step 3: Cross multiply
260,950.36x = 391,423.47 × 155,068.12 - Step 4: Simplify right side
260,950.36x = 60,697,301,616.78 - Step 5: Solve for x
x = 60,697,301,616.78/260,950.36 - Step 6: Final answer
x = 232,600.95
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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.