Finding the Fourth Proportional to 492,657.97, 679,867.70 and 266,303.47
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Solution
The fourth proportional to 492,657.97, 679,867.70 and 266,303.47 is: 367,498.63
Step by Step Solution
- Step 1: Write the proportion equation
492,657.97 : 679,867.70 = 266,303.47 : x - Step 2: Convert to fraction form
492,657.97/679,867.70 = 266,303.47/x - Step 3: Cross multiply
492,657.97x = 679,867.70 × 266,303.47 - Step 4: Simplify right side
492,657.97x = 181,051,127,650.92 - Step 5: Solve for x
x = 181,051,127,650.92/492,657.97 - Step 6: Final answer
x = 367,498.63
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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.