Finding the Fourth Proportional to 239,281.04, 330,204.35 and 137,304.26
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Solution
The fourth proportional to 239,281.04, 330,204.35 and 137,304.26 is: 189,477.89
Step by Step Solution
- Step 1: Write the proportion equation
239,281.04 : 330,204.35 = 137,304.26 : x - Step 2: Convert to fraction form
239,281.04/330,204.35 = 137,304.26/x - Step 3: Cross multiply
239,281.04x = 330,204.35 × 137,304.26 - Step 4: Simplify right side
239,281.04x = 45,338,464,941.10 - Step 5: Solve for x
x = 45,338,464,941.10/239,281.04 - Step 6: Final answer
x = 189,477.89
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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.