Finding the Fourth Proportional to 772,256.63, 1,158,372.51 and 239,778.17
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Solution
The fourth proportional to 772,256.63, 1,158,372.51 and 239,778.17 is: 359,663.39
Step by Step Solution
- Step 1: Write the proportion equation
772,256.63 : 1,158,372.51 = 239,778.17 : x - Step 2: Convert to fraction form
772,256.63/1,158,372.51 = 239,778.17/x - Step 3: Cross multiply
772,256.63x = 1,158,372.51 × 239,778.17 - Step 4: Simplify right side
772,256.63x = 277,752,434,834.24 - Step 5: Solve for x
x = 277,752,434,834.24/772,256.63 - Step 6: Final answer
x = 359,663.39
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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.