Finding the Fourth Proportional to 313,303.41, 469,973.39 and 88,645.05
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Solution
The fourth proportional to 313,303.41, 469,973.39 and 88,645.05 is: 132,972.75
Step by Step Solution
- Step 1: Write the proportion equation
313,303.41 : 469,973.39 = 88,645.05 : x - Step 2: Convert to fraction form
313,303.41/469,973.39 = 88,645.05/x - Step 3: Cross multiply
313,303.41x = 469,973.39 × 88,645.05 - Step 4: Simplify right side
313,303.41x = 41,660,814,655.22 - Step 5: Solve for x
x = 41,660,814,655.22/313,303.41 - Step 6: Final answer
x = 132,972.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.