Finding the Fourth Proportional to 113,437.32, 156,538.08 and 62,448.99
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Solution
The fourth proportional to 113,437.32, 156,538.08 and 62,448.99 is: 86,176.62
Step by Step Solution
- Step 1: Write the proportion equation
113,437.32 : 156,538.08 = 62,448.99 : x - Step 2: Convert to fraction form
113,437.32/156,538.08 = 62,448.99/x - Step 3: Cross multiply
113,437.32x = 156,538.08 × 62,448.99 - Step 4: Simplify right side
113,437.32x = 9,775,644,992.54 - Step 5: Solve for x
x = 9,775,644,992.54/113,437.32 - Step 6: Final answer
x = 86,176.62
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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.