Finding the Fourth Proportional to 350,820.64, 484,353.84 and 243,353.08
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Solution
The fourth proportional to 350,820.64, 484,353.84 and 243,353.08 is: 335,980.80
Step by Step Solution
- Step 1: Write the proportion equation
350,820.64 : 484,353.84 = 243,353.08 : x - Step 2: Convert to fraction form
350,820.64/484,353.84 = 243,353.08/x - Step 3: Cross multiply
350,820.64x = 484,353.84 × 243,353.08 - Step 4: Simplify right side
350,820.64x = 117,868,998,773.83 - Step 5: Solve for x
x = 117,868,998,773.83/350,820.64 - Step 6: Final answer
x = 335,980.80
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1.5x scale
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.