Finding the Fourth Proportional to 266,830.25, 368,228.65 and 145,968.94
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Solution
The fourth proportional to 266,830.25, 368,228.65 and 145,968.94 is: 201,438.73
Step by Step Solution
- Step 1: Write the proportion equation
266,830.25 : 368,228.65 = 145,968.94 : x - Step 2: Convert to fraction form
266,830.25/368,228.65 = 145,968.94/x - Step 3: Cross multiply
266,830.25x = 368,228.65 × 145,968.94 - Step 4: Simplify right side
266,830.25x = 53,749,945,718.13 - Step 5: Solve for x
x = 53,749,945,718.13/266,830.25 - Step 6: Final answer
x = 201,438.73
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1.5x scale
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.