Finding the Fourth Proportional to 435,274.08, 652,681.36 and 135,698.80
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Solution
The fourth proportional to 435,274.08, 652,681.36 and 135,698.80 is: 203,476.57
Step by Step Solution
- Step 1: Write the proportion equation
435,274.08 : 652,681.36 = 135,698.80 : x - Step 2: Convert to fraction form
435,274.08/652,681.36 = 135,698.80/x - Step 3: Cross multiply
435,274.08x = 652,681.36 × 135,698.80 - Step 4: Simplify right side
435,274.08x = 88,568,077,334.37 - Step 5: Solve for x
x = 88,568,077,334.37/435,274.08 - Step 6: Final answer
x = 203,476.57
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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.