Finding the Fourth Proportional to 476,652.91, 657,778.77 and 258,860.06
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Solution
The fourth proportional to 476,652.91, 657,778.77 and 258,860.06 is: 357,225.66
Step by Step Solution
- Step 1: Write the proportion equation
476,652.91 : 657,778.77 = 258,860.06 : x - Step 2: Convert to fraction form
476,652.91/657,778.77 = 258,860.06/x - Step 3: Cross multiply
476,652.91x = 657,778.77 × 258,860.06 - Step 4: Simplify right side
476,652.91x = 170,272,651,868.93 - Step 5: Solve for x
x = 170,272,651,868.93/476,652.91 - Step 6: Final answer
x = 357,225.66
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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.