Finding the Fourth Proportional to 461,340.48, 636,652.80 and 257,403.84
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Solution
The fourth proportional to 461,340.48, 636,652.80 and 257,403.84 is: 355,218.94
Step by Step Solution
- Step 1: Write the proportion equation
461,340.48 : 636,652.80 = 257,403.84 : x - Step 2: Convert to fraction form
461,340.48/636,652.80 = 257,403.84/x - Step 3: Cross multiply
461,340.48x = 636,652.80 × 257,403.84 - Step 4: Simplify right side
461,340.48x = 163,876,875,466.75 - Step 5: Solve for x
x = 163,876,875,466.75/461,340.48 - Step 6: Final answer
x = 355,218.94
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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.