Finding the Fourth Proportional to 148,829.40, 223,320.65 and 82,257.12
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Solution
The fourth proportional to 148,829.40, 223,320.65 and 82,257.12 is: 123,427.99
Step by Step Solution
- Step 1: Write the proportion equation
148,829.40 : 223,320.65 = 82,257.12 : x - Step 2: Convert to fraction form
148,829.40/223,320.65 = 82,257.12/x - Step 3: Cross multiply
148,829.40x = 223,320.65 × 82,257.12 - Step 4: Simplify right side
148,829.40x = 18,369,713,094.24 - Step 5: Solve for x
x = 18,369,713,094.24/148,829.40 - Step 6: Final answer
x = 123,427.99
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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.