Finding the Fourth Proportional to 492,644.52, 679,848.99 and 266,290.02
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Solution
The fourth proportional to 492,644.52, 679,848.99 and 266,290.02 is: 367,479.99
Step by Step Solution
- Step 1: Write the proportion equation
492,644.52 : 679,848.99 = 266,290.02 : x - Step 2: Convert to fraction form
492,644.52/679,848.99 = 266,290.02/x - Step 3: Cross multiply
492,644.52x = 679,848.99 × 266,290.02 - Step 4: Simplify right side
492,644.52x = 181,037,001,144.08 - Step 5: Solve for x
x = 181,037,001,144.08/492,644.52 - Step 6: Final answer
x = 367,479.99
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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.