Finding the Fourth Proportional to 239,681.70, 330,746.49 and 132,261.84
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Solution
The fourth proportional to 239,681.70, 330,746.49 and 132,261.84 is: 182,513.47
Step by Step Solution
- Step 1: Write the proportion equation
239,681.70 : 330,746.49 = 132,261.84 : x - Step 2: Convert to fraction form
239,681.70/330,746.49 = 132,261.84/x - Step 3: Cross multiply
239,681.70x = 330,746.49 × 132,261.84 - Step 4: Simplify right side
239,681.70x = 43,745,139,340.94 - Step 5: Solve for x
x = 43,745,139,340.94/239,681.70 - Step 6: Final answer
x = 182,513.47
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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.