Finding the Fourth Proportional to 476,441.76, 657,490.93 and 261,595.74
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Solution
The fourth proportional to 476,441.76, 657,490.93 and 261,595.74 is: 361,002.84
Step by Step Solution
- Step 1: Write the proportion equation
476,441.76 : 657,490.93 = 261,595.74 : x - Step 2: Convert to fraction form
476,441.76/657,490.93 = 261,595.74/x - Step 3: Cross multiply
476,441.76x = 657,490.93 × 261,595.74 - Step 4: Simplify right side
476,441.76x = 171,996,828,188.24 - Step 5: Solve for x
x = 171,996,828,188.24/476,441.76 - Step 6: Final answer
x = 361,002.84
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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.