Finding the Fourth Proportional to 411,259.60, 567,539.76 and 239,218.84
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Solution
The fourth proportional to 411,259.60, 567,539.76 and 239,218.84 is: 330,122.88
Step by Step Solution
- Step 1: Write the proportion equation
411,259.60 : 567,539.76 = 239,218.84 : x - Step 2: Convert to fraction form
411,259.60/567,539.76 = 239,218.84/x - Step 3: Cross multiply
411,259.60x = 567,539.76 × 239,218.84 - Step 4: Simplify right side
411,259.60x = 135,766,203,041.08 - Step 5: Solve for x
x = 135,766,203,041.08/411,259.60 - Step 6: Final answer
x = 330,122.88
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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.