Finding the Fourth Proportional to 430,161.08, 645,258.04 and 160,356.35
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Solution
The fourth proportional to 430,161.08, 645,258.04 and 160,356.35 is: 240,540.65
Step by Step Solution
- Step 1: Write the proportion equation
430,161.08 : 645,258.04 = 160,356.35 : x - Step 2: Convert to fraction form
430,161.08/645,258.04 = 160,356.35/x - Step 3: Cross multiply
430,161.08x = 645,258.04 × 160,356.35 - Step 4: Simplify right side
430,161.08x = 103,471,225,314.81 - Step 5: Solve for x
x = 103,471,225,314.81/430,161.08 - Step 6: Final answer
x = 240,540.65
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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.