Finding the Fourth Proportional to 277,497.60, 416,246.40 and 260,001.60
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Solution
The fourth proportional to 277,497.60, 416,246.40 and 260,001.60 is: 390,002.40
Step by Step Solution
- Step 1: Write the proportion equation
277,497.60 : 416,246.40 = 260,001.60 : x - Step 2: Convert to fraction form
277,497.60/416,246.40 = 260,001.60/x - Step 3: Cross multiply
277,497.60x = 416,246.40 × 260,001.60 - Step 4: Simplify right side
277,497.60x = 108,224,729,994.24 - Step 5: Solve for x
x = 108,224,729,994.24/277,497.60 - Step 6: Final answer
x = 390,002.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.