Finding the Fourth Proportional to 97,455.34, 134,490.58 and 57,198.14
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Solution
The fourth proportional to 97,455.34, 134,490.58 and 57,198.14 is: 78,934.72
Step by Step Solution
- Step 1: Write the proportion equation
97,455.34 : 134,490.58 = 57,198.14 : x - Step 2: Convert to fraction form
97,455.34/134,490.58 = 57,198.14/x - Step 3: Cross multiply
97,455.34x = 134,490.58 × 57,198.14 - Step 4: Simplify right side
97,455.34x = 7,692,610,208.07 - Step 5: Solve for x
x = 7,692,610,208.07/97,455.34 - Step 6: Final answer
x = 78,934.72
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1.5x scale
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.