Finding the Fourth Proportional to 462,813.43, 638,741.69 and 258,875.68
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Solution
The fourth proportional to 462,813.43, 638,741.69 and 258,875.68 is: 357,281.53
Step by Step Solution
- Step 1: Write the proportion equation
462,813.43 : 638,741.69 = 258,875.68 : x - Step 2: Convert to fraction form
462,813.43/638,741.69 = 258,875.68/x - Step 3: Cross multiply
462,813.43x = 638,741.69 × 258,875.68 - Step 4: Simplify right side
462,813.43x = 165,354,689,343.10 - Step 5: Solve for x
x = 165,354,689,343.10/462,813.43 - Step 6: Final answer
x = 357,281.53
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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.