Finding the Fourth Proportional to 360,425.16, 497,400.84 and 239,357.70
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Solution
The fourth proportional to 360,425.16, 497,400.84 and 239,357.70 is: 330,323.00
Step by Step Solution
- Step 1: Write the proportion equation
360,425.16 : 497,400.84 = 239,357.70 : x - Step 2: Convert to fraction form
360,425.16/497,400.84 = 239,357.70/x - Step 3: Cross multiply
360,425.16x = 497,400.84 × 239,357.70 - Step 4: Simplify right side
360,425.16x = 119,056,721,040.47 - Step 5: Solve for x
x = 119,056,721,040.47/360,425.16 - Step 6: Final answer
x = 330,323.00
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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.