Finding the Fourth Proportional to 353,048.70, 487,210.11 and 191,903.70
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Solution
The fourth proportional to 353,048.70, 487,210.11 and 191,903.70 is: 264,828.68
Step by Step Solution
- Step 1: Write the proportion equation
353,048.70 : 487,210.11 = 191,903.70 : x - Step 2: Convert to fraction form
353,048.70/487,210.11 = 191,903.70/x - Step 3: Cross multiply
353,048.70x = 487,210.11 × 191,903.70 - Step 4: Simplify right side
353,048.70x = 93,497,422,786.41 - Step 5: Solve for x
x = 93,497,422,786.41/353,048.70 - Step 6: Final answer
x = 264,828.68
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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.