Finding the Fourth Proportional to 490,797.19, 736,212.15 and 135,781.48
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Solution
The fourth proportional to 490,797.19, 736,212.15 and 135,781.48 is: 203,676.75
Step by Step Solution
- Step 1: Write the proportion equation
490,797.19 : 736,212.15 = 135,781.48 : x - Step 2: Convert to fraction form
490,797.19/736,212.15 = 135,781.48/x - Step 3: Cross multiply
490,797.19x = 736,212.15 × 135,781.48 - Step 4: Simplify right side
490,797.19x = 99,963,975,320.98 - Step 5: Solve for x
x = 99,963,975,320.98/490,797.19 - Step 6: Final answer
x = 203,676.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.