Finding the Fourth Proportional to 114,357.95, 157,801.12 and 63,357.79
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Solution
The fourth proportional to 114,357.95, 157,801.12 and 63,357.79 is: 87,426.63
Step by Step Solution
- Step 1: Write the proportion equation
114,357.95 : 157,801.12 = 63,357.79 : x - Step 2: Convert to fraction form
114,357.95/157,801.12 = 63,357.79/x - Step 3: Cross multiply
114,357.95x = 157,801.12 × 63,357.79 - Step 4: Simplify right side
114,357.95x = 9,997,930,222.72 - Step 5: Solve for x
x = 9,997,930,222.72/114,357.95 - Step 6: Final answer
x = 87,426.63
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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.