Finding the Fourth Proportional to 452,758.68, 679,137.30 and 120,334.68
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Solution
The fourth proportional to 452,758.68, 679,137.30 and 120,334.68 is: 180,501.83
Step by Step Solution
- Step 1: Write the proportion equation
452,758.68 : 679,137.30 = 120,334.68 : x - Step 2: Convert to fraction form
452,758.68/679,137.30 = 120,334.68/x - Step 3: Cross multiply
452,758.68x = 679,137.30 × 120,334.68 - Step 4: Simplify right side
452,758.68x = 81,723,769,671.56 - Step 5: Solve for x
x = 81,723,769,671.56/452,758.68 - Step 6: Final answer
x = 180,501.83
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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.