Finding the Fourth Proportional to 239,335.74, 330,278.80 and 130,440.98
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Solution
The fourth proportional to 239,335.74, 330,278.80 and 130,440.98 is: 180,006.09
Step by Step Solution
- Step 1: Write the proportion equation
239,335.74 : 330,278.80 = 130,440.98 : x - Step 2: Convert to fraction form
239,335.74/330,278.80 = 130,440.98/x - Step 3: Cross multiply
239,335.74x = 330,278.80 × 130,440.98 - Step 4: Simplify right side
239,335.74x = 43,081,890,345.22 - Step 5: Solve for x
x = 43,081,890,345.22/239,335.74 - Step 6: Final answer
x = 180,006.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.