Finding the Fourth Proportional to 174,587.20, 240,930.64 and 99,135.68
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Solution
The fourth proportional to 174,587.20, 240,930.64 and 99,135.68 is: 136,807.41
Step by Step Solution
- Step 1: Write the proportion equation
174,587.20 : 240,930.64 = 99,135.68 : x - Step 2: Convert to fraction form
174,587.20/240,930.64 = 99,135.68/x - Step 3: Cross multiply
174,587.20x = 240,930.64 × 99,135.68 - Step 4: Simplify right side
174,587.20x = 23,884,822,829.24 - Step 5: Solve for x
x = 23,884,822,829.24/174,587.20 - Step 6: Final answer
x = 136,807.41
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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.