Finding the Fourth Proportional to 177,862.08, 266,793.57 and 72,681.06
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Solution
The fourth proportional to 177,862.08, 266,793.57 and 72,681.06 is: 109,021.77
Step by Step Solution
- Step 1: Write the proportion equation
177,862.08 : 266,793.57 = 72,681.06 : x - Step 2: Convert to fraction form
177,862.08/266,793.57 = 72,681.06/x - Step 3: Cross multiply
177,862.08x = 266,793.57 × 72,681.06 - Step 4: Simplify right side
177,862.08x = 19,390,839,468.78 - Step 5: Solve for x
x = 19,390,839,468.78/177,862.08 - Step 6: Final answer
x = 109,021.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.