Finding the Fourth Proportional to 411,426.60, 567,540.14 and 239,325.19
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Solution
The fourth proportional to 411,426.60, 567,540.14 and 239,325.19 is: 330,135.81
Step by Step Solution
- Step 1: Write the proportion equation
411,426.60 : 567,540.14 = 239,325.19 : x - Step 2: Convert to fraction form
411,426.60/567,540.14 = 239,325.19/x - Step 3: Cross multiply
411,426.60x = 567,540.14 × 239,325.19 - Step 4: Simplify right side
411,426.60x = 135,826,651,838.13 - Step 5: Solve for x
x = 135,826,651,838.13/411,426.60 - Step 6: Final answer
x = 330,135.81
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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.