Finding the Fourth Proportional to 240,356.74, 331,655.45 and 138,362.49
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Solution
The fourth proportional to 240,356.74, 331,655.45 and 138,362.49 is: 190,919.02
Step by Step Solution
- Step 1: Write the proportion equation
240,356.74 : 331,655.45 = 138,362.49 : x - Step 2: Convert to fraction form
240,356.74/331,655.45 = 138,362.49/x - Step 3: Cross multiply
240,356.74x = 331,655.45 × 138,362.49 - Step 4: Simplify right side
240,356.74x = 45,888,671,533.98 - Step 5: Solve for x
x = 45,888,671,533.98/240,356.74 - Step 6: Final answer
x = 190,919.02
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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.