Finding the Fourth Proportional to 266,962.08, 368,499.84 and 153,829.92
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Solution
The fourth proportional to 266,962.08, 368,499.84 and 153,829.92 is: 212,338.40
Step by Step Solution
- Step 1: Write the proportion equation
266,962.08 : 368,499.84 = 153,829.92 : x - Step 2: Convert to fraction form
266,962.08/368,499.84 = 153,829.92/x - Step 3: Cross multiply
266,962.08x = 368,499.84 × 153,829.92 - Step 4: Simplify right side
266,962.08x = 56,686,300,907.21 - Step 5: Solve for x
x = 56,686,300,907.21/266,962.08 - Step 6: Final answer
x = 212,338.40
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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.