Finding the Fourth Proportional to 535,681.68, 739,249.79 and 293,986.74
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Solution
The fourth proportional to 535,681.68, 739,249.79 and 293,986.74 is: 405,706.68
Step by Step Solution
- Step 1: Write the proportion equation
535,681.68 : 739,249.79 = 293,986.74 : x - Step 2: Convert to fraction form
535,681.68/739,249.79 = 293,986.74/x - Step 3: Cross multiply
535,681.68x = 739,249.79 × 293,986.74 - Step 4: Simplify right side
535,681.68x = 217,329,635,807.79 - Step 5: Solve for x
x = 217,329,635,807.79/535,681.68 - Step 6: Final answer
x = 405,706.68
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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.