Finding the Fourth Proportional to 438,630.08, 605,311.40 and 237,426.08
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Solution
The fourth proportional to 438,630.08, 605,311.40 and 237,426.08 is: 327,649.01
Step by Step Solution
- Step 1: Write the proportion equation
438,630.08 : 605,311.40 = 237,426.08 : x - Step 2: Convert to fraction form
438,630.08/605,311.40 = 237,426.08/x - Step 3: Cross multiply
438,630.08x = 605,311.40 × 237,426.08 - Step 4: Simplify right side
438,630.08x = 143,716,712,881.31 - Step 5: Solve for x
x = 143,716,712,881.31/438,630.08 - Step 6: Final answer
x = 327,649.01
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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.