Finding the Fourth Proportional to 225,980.84, 311,852.70 and 124,007.99
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Solution
The fourth proportional to 225,980.84, 311,852.70 and 124,007.99 is: 171,130.55
Step by Step Solution
- Step 1: Write the proportion equation
225,980.84 : 311,852.70 = 124,007.99 : x - Step 2: Convert to fraction form
225,980.84/311,852.70 = 124,007.99/x - Step 3: Cross multiply
225,980.84x = 311,852.70 × 124,007.99 - Step 4: Simplify right side
225,980.84x = 38,672,226,503.07 - Step 5: Solve for x
x = 38,672,226,503.07/225,980.84 - Step 6: Final answer
x = 171,130.55
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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.