Finding the Fourth Proportional to 469,885.84, 648,448.68 and 255,028.48
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Solution
The fourth proportional to 469,885.84, 648,448.68 and 255,028.48 is: 351,942.68
Step by Step Solution
- Step 1: Write the proportion equation
469,885.84 : 648,448.68 = 255,028.48 : x - Step 2: Convert to fraction form
469,885.84/648,448.68 = 255,028.48/x - Step 3: Cross multiply
469,885.84x = 648,448.68 × 255,028.48 - Step 4: Simplify right side
469,885.84x = 165,372,881,218.41 - Step 5: Solve for x
x = 165,372,881,218.41/469,885.84 - Step 6: Final answer
x = 351,942.68
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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.