Finding the Fourth Proportional to 369,598.23, 554,432.36 and 103,358.70
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Solution
The fourth proportional to 369,598.23, 554,432.36 and 103,358.70 is: 155,047.84
Step by Step Solution
- Step 1: Write the proportion equation
369,598.23 : 554,432.36 = 103,358.70 : x - Step 2: Convert to fraction form
369,598.23/554,432.36 = 103,358.70/x - Step 3: Cross multiply
369,598.23x = 554,432.36 × 103,358.70 - Step 4: Simplify right side
369,598.23x = 57,305,407,450.74 - Step 5: Solve for x
x = 57,305,407,450.74/369,598.23 - Step 6: Final answer
x = 155,047.84
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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.