Finding the Fourth Proportional to 540,155.10, 745,350.42 and 298,423.26
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Solution
The fourth proportional to 540,155.10, 745,350.42 and 298,423.26 is: 411,788.95
Step by Step Solution
- Step 1: Write the proportion equation
540,155.10 : 745,350.42 = 298,423.26 : x - Step 2: Convert to fraction form
540,155.10/745,350.42 = 298,423.26/x - Step 3: Cross multiply
540,155.10x = 745,350.42 × 298,423.26 - Step 4: Simplify right side
540,155.10x = 222,429,902,178.77 - Step 5: Solve for x
x = 222,429,902,178.77/540,155.10 - Step 6: Final answer
x = 411,788.95
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1.5x scale
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.