Finding the Fourth Proportional to 225,970.76, 311,838.09 and 125,368.76
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Solution
The fourth proportional to 225,970.76, 311,838.09 and 125,368.76 is: 173,008.02
Step by Step Solution
- Step 1: Write the proportion equation
225,970.76 : 311,838.09 = 125,368.76 : x - Step 2: Convert to fraction form
225,970.76/311,838.09 = 125,368.76/x - Step 3: Cross multiply
225,970.76x = 311,838.09 × 125,368.76 - Step 4: Simplify right side
225,970.76x = 39,094,754,664.07 - Step 5: Solve for x
x = 39,094,754,664.07/225,970.76 - Step 6: Final answer
x = 173,008.02
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1.5x scale
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.