Finding the Fourth Proportional to 239,335.84, 330,277.77 and 130,443.62
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Solution
The fourth proportional to 239,335.84, 330,277.77 and 130,443.62 is: 180,009.09
Step by Step Solution
- Step 1: Write the proportion equation
239,335.84 : 330,277.77 = 130,443.62 : x - Step 2: Convert to fraction form
239,335.84/330,277.77 = 130,443.62/x - Step 3: Cross multiply
239,335.84x = 330,277.77 × 130,443.62 - Step 4: Simplify right side
239,335.84x = 43,082,627,924.33 - Step 5: Solve for x
x = 43,082,627,924.33/239,335.84 - Step 6: Final answer
x = 180,009.09
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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.