Finding the Fourth Proportional to 490,753.68, 736,130.16 and 158,329.68
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Solution
The fourth proportional to 490,753.68, 736,130.16 and 158,329.68 is: 237,494.40
Step by Step Solution
- Step 1: Write the proportion equation
490,753.68 : 736,130.16 = 158,329.68 : x - Step 2: Convert to fraction form
490,753.68/736,130.16 = 158,329.68/x - Step 3: Cross multiply
490,753.68x = 736,130.16 × 158,329.68 - Step 4: Simplify right side
490,753.68x = 116,551,252,671.15 - Step 5: Solve for x
x = 116,551,252,671.15/490,753.68 - Step 6: Final answer
x = 237,494.40
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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.