Finding the Fourth Proportional to 101,038.05, 151,285.86 and 56,538.09
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Solution
The fourth proportional to 101,038.05, 151,285.86 and 56,538.09 is: 84,655.37
Step by Step Solution
- Step 1: Write the proportion equation
101,038.05 : 151,285.86 = 56,538.09 : x - Step 2: Convert to fraction form
101,038.05/151,285.86 = 56,538.09/x - Step 3: Cross multiply
101,038.05x = 151,285.86 × 56,538.09 - Step 4: Simplify right side
101,038.05x = 8,553,413,568.41 - Step 5: Solve for x
x = 8,553,413,568.41/101,038.05 - Step 6: Final answer
x = 84,655.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.