Finding the Fourth Proportional to 490,860.46, 736,291.70 and 135,875.53
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Solution
The fourth proportional to 490,860.46, 736,291.70 and 135,875.53 is: 203,813.57
Step by Step Solution
- Step 1: Write the proportion equation
490,860.46 : 736,291.70 = 135,875.53 : x - Step 2: Convert to fraction form
490,860.46/736,291.70 = 135,875.53/x - Step 3: Cross multiply
490,860.46x = 736,291.70 × 135,875.53 - Step 4: Simplify right side
490,860.46x = 100,044,024,972.10 - Step 5: Solve for x
x = 100,044,024,972.10/490,860.46 - Step 6: Final answer
x = 203,813.57
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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.