Finding the Fourth Proportional to 492,117.56, 679,122.25 and 265,763.06
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Solution
The fourth proportional to 492,117.56, 679,122.25 and 265,763.06 is: 366,753.03
Step by Step Solution
- Step 1: Write the proportion equation
492,117.56 : 679,122.25 = 265,763.06 : x - Step 2: Convert to fraction form
492,117.56/679,122.25 = 265,763.06/x - Step 3: Cross multiply
492,117.56x = 679,122.25 × 265,763.06 - Step 4: Simplify right side
492,117.56x = 180,485,607,643.08 - Step 5: Solve for x
x = 180,485,607,643.08/492,117.56 - Step 6: Final answer
x = 366,753.03
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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.