Finding the Fourth Proportional to 526,943.05, 790,497.20 and 171,875.09
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Solution
The fourth proportional to 526,943.05, 790,497.20 and 171,875.09 is: 257,839.59
Step by Step Solution
- Step 1: Write the proportion equation
526,943.05 : 790,497.20 = 171,875.09 : x - Step 2: Convert to fraction form
526,943.05/790,497.20 = 171,875.09/x - Step 3: Cross multiply
526,943.05x = 790,497.20 × 171,875.09 - Step 4: Simplify right side
526,943.05x = 135,866,776,535.37 - Step 5: Solve for x
x = 135,866,776,535.37/526,943.05 - Step 6: Final answer
x = 257,839.59
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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.