Finding the Fourth Proportional to 174,421.10, 240,698.05 and 97,940.80
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Solution
The fourth proportional to 174,421.10, 240,698.05 and 97,940.80 is: 135,156.58
Step by Step Solution
- Step 1: Write the proportion equation
174,421.10 : 240,698.05 = 97,940.80 : x - Step 2: Convert to fraction form
174,421.10/240,698.05 = 97,940.80/x - Step 3: Cross multiply
174,421.10x = 240,698.05 × 97,940.80 - Step 4: Simplify right side
174,421.10x = 23,574,159,575.44 - Step 5: Solve for x
x = 23,574,159,575.44/174,421.10 - Step 6: Final answer
x = 135,156.58
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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.