Finding the Fourth Proportional to 376,077.97, 564,199.98 and 139,420.65
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Solution
The fourth proportional to 376,077.97, 564,199.98 and 139,420.65 is: 209,161.75
Step by Step Solution
- Step 1: Write the proportion equation
376,077.97 : 564,199.98 = 139,420.65 : x - Step 2: Convert to fraction form
376,077.97/564,199.98 = 139,420.65/x - Step 3: Cross multiply
376,077.97x = 564,199.98 × 139,420.65 - Step 4: Simplify right side
376,077.97x = 78,661,127,941.59 - Step 5: Solve for x
x = 78,661,127,941.59/376,077.97 - Step 6: Final answer
x = 209,161.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.