Finding the Fourth Proportional to 492,648.21, 679,854.06 and 266,293.71
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Solution
The fourth proportional to 492,648.21, 679,854.06 and 266,293.71 is: 367,485.07
Step by Step Solution
- Step 1: Write the proportion equation
492,648.21 : 679,854.06 = 266,293.71 : x - Step 2: Convert to fraction form
492,648.21/679,854.06 = 266,293.71/x - Step 3: Cross multiply
492,648.21x = 679,854.06 × 266,293.71 - Step 4: Simplify right side
492,648.21x = 181,040,859,895.96 - Step 5: Solve for x
x = 181,040,859,895.96/492,648.21 - Step 6: Final answer
x = 367,485.07
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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.