Finding the Fourth Proportional to 493,340.58, 680,812.08 and 266,986.08
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Solution
The fourth proportional to 493,340.58, 680,812.08 and 266,986.08 is: 368,441.92
Step by Step Solution
- Step 1: Write the proportion equation
493,340.58 : 680,812.08 = 266,986.08 : x - Step 2: Convert to fraction form
493,340.58/680,812.08 = 266,986.08/x - Step 3: Cross multiply
493,340.58x = 680,812.08 × 266,986.08 - Step 4: Simplify right side
493,340.58x = 181,767,348,455.85 - Step 5: Solve for x
x = 181,767,348,455.85/493,340.58 - Step 6: Final answer
x = 368,441.92
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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.