Finding the Fourth Proportional to 338,732.01, 507,655.08 and 138,818.34
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Solution
The fourth proportional to 338,732.01, 507,655.08 and 138,818.34 is: 208,045.99
Step by Step Solution
- Step 1: Write the proportion equation
338,732.01 : 507,655.08 = 138,818.34 : x - Step 2: Convert to fraction form
338,732.01/507,655.08 = 138,818.34/x - Step 3: Cross multiply
338,732.01x = 507,655.08 × 138,818.34 - Step 4: Simplify right side
338,732.01x = 70,471,835,498.17 - Step 5: Solve for x
x = 70,471,835,498.17/338,732.01 - Step 6: Final answer
x = 208,045.99
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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.