Finding the Fourth Proportional to 431,895.59, 596,011.87 and 238,305.09
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Solution
The fourth proportional to 431,895.59, 596,011.87 and 238,305.09 is: 328,858.79
Step by Step Solution
- Step 1: Write the proportion equation
431,895.59 : 596,011.87 = 238,305.09 : x - Step 2: Convert to fraction form
431,895.59/596,011.87 = 238,305.09/x - Step 3: Cross multiply
431,895.59x = 596,011.87 × 238,305.09 - Step 4: Simplify right side
431,895.59x = 142,032,661,501.78 - Step 5: Solve for x
x = 142,032,661,501.78/431,895.59 - Step 6: Final answer
x = 328,858.79
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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.