Finding the Fourth Proportional to 490,860.71, 736,292.07 and 135,875.78
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Solution
The fourth proportional to 490,860.71, 736,292.07 and 135,875.78 is: 203,813.94
Step by Step Solution
- Step 1: Write the proportion equation
490,860.71 : 736,292.07 = 135,875.78 : x - Step 2: Convert to fraction form
490,860.71/736,292.07 = 135,875.78/x - Step 3: Cross multiply
490,860.71x = 736,292.07 × 135,875.78 - Step 4: Simplify right side
490,860.71x = 100,044,255,637.60 - Step 5: Solve for x
x = 100,044,255,637.60/490,860.71 - Step 6: Final answer
x = 203,813.94
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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.