Finding the Fourth Proportional to 234,372.57, 323,411.02 and 130,987.68
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Solution
The fourth proportional to 234,372.57, 323,411.02 and 130,987.68 is: 180,750.07
Step by Step Solution
- Step 1: Write the proportion equation
234,372.57 : 323,411.02 = 130,987.68 : x - Step 2: Convert to fraction form
234,372.57/323,411.02 = 130,987.68/x - Step 3: Cross multiply
234,372.57x = 323,411.02 × 130,987.68 - Step 4: Simplify right side
234,372.57x = 42,362,859,196.23 - Step 5: Solve for x
x = 42,362,859,196.23/234,372.57 - Step 6: Final answer
x = 180,750.07
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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.