Finding the Fourth Proportional to 462,012.84, 637,570.80 and 258,067.08
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Solution
The fourth proportional to 462,012.84, 637,570.80 and 258,067.08 is: 356,128.71
Step by Step Solution
- Step 1: Write the proportion equation
462,012.84 : 637,570.80 = 258,067.08 : x - Step 2: Convert to fraction form
462,012.84/637,570.80 = 258,067.08/x - Step 3: Cross multiply
462,012.84x = 637,570.80 × 258,067.08 - Step 4: Simplify right side
462,012.84x = 164,536,034,649.26 - Step 5: Solve for x
x = 164,536,034,649.26/462,012.84 - Step 6: Final answer
x = 356,128.71
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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.