Finding the Fourth Proportional to 178,090.74, 245,762.91 and 101,607.84
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Solution
The fourth proportional to 178,090.74, 245,762.91 and 101,607.84 is: 140,217.50
Step by Step Solution
- Step 1: Write the proportion equation
178,090.74 : 245,762.91 = 101,607.84 : x - Step 2: Convert to fraction form
178,090.74/245,762.91 = 101,607.84/x - Step 3: Cross multiply
178,090.74x = 245,762.91 × 101,607.84 - Step 4: Simplify right side
178,090.74x = 24,971,438,437.21 - Step 5: Solve for x
x = 24,971,438,437.21/178,090.74 - Step 6: Final answer
x = 140,217.50
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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.