Finding the Fourth Proportional to 159,349.60, 239,110.80 and 70,616.80
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Solution
The fourth proportional to 159,349.60, 239,110.80 and 70,616.80 is: 105,963.49
Step by Step Solution
- Step 1: Write the proportion equation
159,349.60 : 239,110.80 = 70,616.80 : x - Step 2: Convert to fraction form
159,349.60/239,110.80 = 70,616.80/x - Step 3: Cross multiply
159,349.60x = 239,110.80 × 70,616.80 - Step 4: Simplify right side
159,349.60x = 16,885,239,541.44 - Step 5: Solve for x
x = 16,885,239,541.44/159,349.60 - Step 6: Final answer
x = 105,963.49
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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.