Finding the Fourth Proportional to 456,190.84, 629,246.76 and 292,588.20
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Solution
The fourth proportional to 456,190.84, 629,246.76 and 292,588.20 is: 403,581.49
Step by Step Solution
- Step 1: Write the proportion equation
456,190.84 : 629,246.76 = 292,588.20 : x - Step 2: Convert to fraction form
456,190.84/629,246.76 = 292,588.20/x - Step 3: Cross multiply
456,190.84x = 629,246.76 × 292,588.20 - Step 4: Simplify right side
456,190.84x = 184,110,176,864.23 - Step 5: Solve for x
x = 184,110,176,864.23/456,190.84 - Step 6: Final answer
x = 403,581.49
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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.