Finding the Fourth Proportional to 213,177.34, 294,182.93 and 117,681.99
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Solution
The fourth proportional to 213,177.34, 294,182.93 and 117,681.99 is: 162,400.14
Step by Step Solution
- Step 1: Write the proportion equation
213,177.34 : 294,182.93 = 117,681.99 : x - Step 2: Convert to fraction form
213,177.34/294,182.93 = 117,681.99/x - Step 3: Cross multiply
213,177.34x = 294,182.93 × 117,681.99 - Step 4: Simplify right side
213,177.34x = 34,620,030,934.83 - Step 5: Solve for x
x = 34,620,030,934.83/213,177.34 - Step 6: Final answer
x = 162,400.14
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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.