Finding the Fourth Proportional to 122,417.13, 183,590.08 and 51,337.87
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Solution
The fourth proportional to 122,417.13, 183,590.08 and 51,337.87 is: 76,991.87
Step by Step Solution
- Step 1: Write the proportion equation
122,417.13 : 183,590.08 = 51,337.87 : x - Step 2: Convert to fraction form
122,417.13/183,590.08 = 51,337.87/x - Step 3: Cross multiply
122,417.13x = 183,590.08 × 51,337.87 - Step 4: Simplify right side
122,417.13x = 9,425,123,953.99 - Step 5: Solve for x
x = 9,425,123,953.99/122,417.13 - Step 6: Final answer
x = 76,991.87
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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.