Finding the Fourth Proportional to 257,366.94, 385,955.64 and 88,844.28
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Solution
The fourth proportional to 257,366.94, 385,955.64 and 88,844.28 is: 133,233.70
Step by Step Solution
- Step 1: Write the proportion equation
257,366.94 : 385,955.64 = 88,844.28 : x - Step 2: Convert to fraction form
257,366.94/385,955.64 = 88,844.28/x - Step 3: Cross multiply
257,366.94x = 385,955.64 × 88,844.28 - Step 4: Simplify right side
257,366.94x = 34,289,950,947.74 - Step 5: Solve for x
x = 34,289,950,947.74/257,366.94 - Step 6: Final answer
x = 133,233.70
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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.