Finding the Fourth Proportional to 220,224.71, 330,386.28 and 70,473.99
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Solution
The fourth proportional to 220,224.71, 330,386.28 and 70,473.99 is: 105,726.74
Step by Step Solution
- Step 1: Write the proportion equation
220,224.71 : 330,386.28 = 70,473.99 : x - Step 2: Convert to fraction form
220,224.71/330,386.28 = 70,473.99/x - Step 3: Cross multiply
220,224.71x = 330,386.28 × 70,473.99 - Step 4: Simplify right side
220,224.71x = 23,283,639,392.86 - Step 5: Solve for x
x = 23,283,639,392.86/220,224.71 - Step 6: Final answer
x = 105,726.74
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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.