Finding the Fourth Proportional to 266,764.95, 368,130.45 and 145,905.88
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Solution
The fourth proportional to 266,764.95, 368,130.45 and 145,905.88 is: 201,347.28
Step by Step Solution
- Step 1: Write the proportion equation
266,764.95 : 368,130.45 = 145,905.88 : x - Step 2: Convert to fraction form
266,764.95/368,130.45 = 145,905.88/x - Step 3: Cross multiply
266,764.95x = 368,130.45 × 145,905.88 - Step 4: Simplify right side
266,764.95x = 53,712,397,262.05 - Step 5: Solve for x
x = 53,712,397,262.05/266,764.95 - Step 6: Final answer
x = 201,347.28
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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.