Finding the Fourth Proportional to 148,781.52, 223,171.84 and 122,431.44
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Solution
The fourth proportional to 148,781.52, 223,171.84 and 122,431.44 is: 183,646.80
Step by Step Solution
- Step 1: Write the proportion equation
148,781.52 : 223,171.84 = 122,431.44 : x - Step 2: Convert to fraction form
148,781.52/223,171.84 = 122,431.44/x - Step 3: Cross multiply
148,781.52x = 223,171.84 × 122,431.44 - Step 4: Simplify right side
148,781.52x = 27,323,249,738.65 - Step 5: Solve for x
x = 27,323,249,738.65/148,781.52 - Step 6: Final answer
x = 183,646.80
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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.