Finding the Fourth Proportional to 240,823.94, 361,239.95 and 91,134.72
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Solution
The fourth proportional to 240,823.94, 361,239.95 and 91,134.72 is: 136,703.61
Step by Step Solution
- Step 1: Write the proportion equation
240,823.94 : 361,239.95 = 91,134.72 : x - Step 2: Convert to fraction form
240,823.94/361,239.95 = 91,134.72/x - Step 3: Cross multiply
240,823.94x = 361,239.95 × 91,134.72 - Step 4: Simplify right side
240,823.94x = 32,921,501,923.90 - Step 5: Solve for x
x = 32,921,501,923.90/240,823.94 - Step 6: Final answer
x = 136,703.61
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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.