Finding the Fourth Proportional to 370,366.10, 555,593.64 and 130,430.41
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Solution
The fourth proportional to 370,366.10, 555,593.64 and 130,430.41 is: 195,661.28
Step by Step Solution
- Step 1: Write the proportion equation
370,366.10 : 555,593.64 = 130,430.41 : x - Step 2: Convert to fraction form
370,366.10/555,593.64 = 130,430.41/x - Step 3: Cross multiply
370,366.10x = 555,593.64 × 130,430.41 - Step 4: Simplify right side
370,366.10x = 72,466,306,258.59 - Step 5: Solve for x
x = 72,466,306,258.59/370,366.10 - Step 6: Final answer
x = 195,661.28
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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.