Finding the Fourth Proportional to 461,343.36, 636,652.80 and 260,137.92
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Solution
The fourth proportional to 461,343.36, 636,652.80 and 260,137.92 is: 358,989.74
Step by Step Solution
- Step 1: Write the proportion equation
461,343.36 : 636,652.80 = 260,137.92 : x - Step 2: Convert to fraction form
461,343.36/636,652.80 = 260,137.92/x - Step 3: Cross multiply
461,343.36x = 636,652.80 × 260,137.92 - Step 4: Simplify right side
461,343.36x = 165,617,535,154.18 - Step 5: Solve for x
x = 165,617,535,154.18/461,343.36 - Step 6: Final answer
x = 358,989.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.