Finding the Fourth Proportional to 256,037.04, 353,394.36 and 155,519.28
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Solution
The fourth proportional to 256,037.04, 353,394.36 and 155,519.28 is: 214,655.02
Step by Step Solution
- Step 1: Write the proportion equation
256,037.04 : 353,394.36 = 155,519.28 : x - Step 2: Convert to fraction form
256,037.04/353,394.36 = 155,519.28/x - Step 3: Cross multiply
256,037.04x = 353,394.36 × 155,519.28 - Step 4: Simplify right side
256,037.04x = 54,959,636,423.26 - Step 5: Solve for x
x = 54,959,636,423.26/256,037.04 - Step 6: Final answer
x = 214,655.02
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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.