Finding the Fourth Proportional to 750,256.36, 1,125,386.40 and 189,290.88
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Solution
The fourth proportional to 750,256.36, 1,125,386.40 and 189,290.88 is: 283,936.79
Step by Step Solution
- Step 1: Write the proportion equation
750,256.36 : 1,125,386.40 = 189,290.88 : x - Step 2: Convert to fraction form
750,256.36/1,125,386.40 = 189,290.88/x - Step 3: Cross multiply
750,256.36x = 1,125,386.40 × 189,290.88 - Step 4: Simplify right side
750,256.36x = 213,025,381,996.03 - Step 5: Solve for x
x = 213,025,381,996.03/750,256.36 - Step 6: Final answer
x = 283,936.79
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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.