Finding the Fourth Proportional to 435,435.20, 653,177.12 and 135,957.12
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Solution
The fourth proportional to 435,435.20, 653,177.12 and 135,957.12 is: 203,943.27
Step by Step Solution
- Step 1: Write the proportion equation
435,435.20 : 653,177.12 = 135,957.12 : x - Step 2: Convert to fraction form
435,435.20/653,177.12 = 135,957.12/x - Step 3: Cross multiply
435,435.20x = 653,177.12 × 135,957.12 - Step 4: Simplify right side
435,435.20x = 88,804,080,085.09 - Step 5: Solve for x
x = 88,804,080,085.09/435,435.20 - Step 6: Final answer
x = 203,943.27
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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.