Finding the Fourth Proportional to 430,830.70, 646,246.05 and 244,206.70
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Solution
The fourth proportional to 430,830.70, 646,246.05 and 244,206.70 is: 366,310.05
Step by Step Solution
- Step 1: Write the proportion equation
430,830.70 : 646,246.05 = 244,206.70 : x - Step 2: Convert to fraction form
430,830.70/646,246.05 = 244,206.70/x - Step 3: Cross multiply
430,830.70x = 646,246.05 × 244,206.70 - Step 4: Simplify right side
430,830.70x = 157,817,615,258.54 - Step 5: Solve for x
x = 157,817,615,258.54/430,830.70 - Step 6: Final answer
x = 366,310.05
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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.