Finding the Fourth Proportional to 313,177.78, 432,259.50 and 185,926.78
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Solution
The fourth proportional to 313,177.78, 432,259.50 and 185,926.78 is: 256,622.99
Step by Step Solution
- Step 1: Write the proportion equation
313,177.78 : 432,259.50 = 185,926.78 : x - Step 2: Convert to fraction form
313,177.78/432,259.50 = 185,926.78/x - Step 3: Cross multiply
313,177.78x = 432,259.50 × 185,926.78 - Step 4: Simplify right side
313,177.78x = 80,368,616,959.41 - Step 5: Solve for x
x = 80,368,616,959.41/313,177.78 - Step 6: Final answer
x = 256,622.99
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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.