Finding the Fourth Proportional to 452,833.13, 625,457.79 and 330,131.19
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Solution
The fourth proportional to 452,833.13, 625,457.79 and 330,131.19 is: 455,980.61
Step by Step Solution
- Step 1: Write the proportion equation
452,833.13 : 625,457.79 = 330,131.19 : x - Step 2: Convert to fraction form
452,833.13/625,457.79 = 330,131.19/x - Step 3: Cross multiply
452,833.13x = 625,457.79 × 330,131.19 - Step 4: Simplify right side
452,833.13x = 206,483,122,856.81 - Step 5: Solve for x
x = 206,483,122,856.81/452,833.13 - Step 6: Final answer
x = 455,980.61
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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.