Finding the Fourth Proportional to 411,495.06, 567,634.56 and 239,393.70
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Solution
The fourth proportional to 411,495.06, 567,634.56 and 239,393.70 is: 330,230.30
Step by Step Solution
- Step 1: Write the proportion equation
411,495.06 : 567,634.56 = 239,393.70 : x - Step 2: Convert to fraction form
411,495.06/567,634.56 = 239,393.70/x - Step 3: Cross multiply
411,495.06x = 567,634.56 × 239,393.70 - Step 4: Simplify right side
411,495.06x = 135,888,137,566.27 - Step 5: Solve for x
x = 135,888,137,566.27/411,495.06 - Step 6: Final answer
x = 330,230.30
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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.