Finding the Fourth Proportional to 342,182.41, 472,214.81 and 189,230.98
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Solution
The fourth proportional to 342,182.41, 472,214.81 and 189,230.98 is: 261,140.46
Step by Step Solution
- Step 1: Write the proportion equation
342,182.41 : 472,214.81 = 189,230.98 : x - Step 2: Convert to fraction form
342,182.41/472,214.81 = 189,230.98/x - Step 3: Cross multiply
342,182.41x = 472,214.81 × 189,230.98 - Step 4: Simplify right side
342,182.41x = 89,357,671,266.81 - Step 5: Solve for x
x = 89,357,671,266.81/342,182.41 - Step 6: Final answer
x = 261,140.46
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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.