Finding the Fourth Proportional to 339,966.70, 509,258.85 and 173,848.30
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Solution
The fourth proportional to 339,966.70, 509,258.85 and 173,848.30 is: 260,418.99
Step by Step Solution
- Step 1: Write the proportion equation
339,966.70 : 509,258.85 = 173,848.30 : x - Step 2: Convert to fraction form
339,966.70/509,258.85 = 173,848.30/x - Step 3: Cross multiply
339,966.70x = 509,258.85 × 173,848.30 - Step 4: Simplify right side
339,966.70x = 88,533,785,332.46 - Step 5: Solve for x
x = 88,533,785,332.46/339,966.70 - Step 6: Final answer
x = 260,418.99
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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.