Finding the Fourth Proportional to 493,319.16, 680,782.58 and 266,964.68
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Solution
The fourth proportional to 493,319.16, 680,782.58 and 266,964.68 is: 368,412.42
Step by Step Solution
- Step 1: Write the proportion equation
493,319.16 : 680,782.58 = 266,964.68 : x - Step 2: Convert to fraction form
493,319.16/680,782.58 = 266,964.68/x - Step 3: Cross multiply
493,319.16x = 680,782.58 × 266,964.68 - Step 4: Simplify right side
493,319.16x = 181,744,903,619.27 - Step 5: Solve for x
x = 181,744,903,619.27/493,319.16 - Step 6: Final answer
x = 368,412.42
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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.