Finding the Fourth Proportional to 610,231.78, 842,119.74 and 338,298.99
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Solution
The fourth proportional to 610,231.78, 842,119.74 and 338,298.99 is: 466,852.54
Step by Step Solution
- Step 1: Write the proportion equation
610,231.78 : 842,119.74 = 338,298.99 : x - Step 2: Convert to fraction form
610,231.78/842,119.74 = 338,298.99/x - Step 3: Cross multiply
610,231.78x = 842,119.74 × 338,298.99 - Step 4: Simplify right side
610,231.78x = 284,888,257,501.06 - Step 5: Solve for x
x = 284,888,257,501.06/610,231.78 - Step 6: Final answer
x = 466,852.54
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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.