Finding the Fourth Proportional to 431,289.84, 595,198.08 and 240,303.12
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Solution
The fourth proportional to 431,289.84, 595,198.08 and 240,303.12 is: 331,628.39
Step by Step Solution
- Step 1: Write the proportion equation
431,289.84 : 595,198.08 = 240,303.12 : x - Step 2: Convert to fraction form
431,289.84/595,198.08 = 240,303.12/x - Step 3: Cross multiply
431,289.84x = 595,198.08 × 240,303.12 - Step 4: Simplify right side
431,289.84x = 143,027,955,642.01 - Step 5: Solve for x
x = 143,027,955,642.01/431,289.84 - Step 6: Final answer
x = 331,628.39
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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.