Finding the Fourth Proportional to 338,302.98, 507,454.28 and 135,899.07
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Solution
The fourth proportional to 338,302.98, 507,454.28 and 135,899.07 is: 203,848.52
Step by Step Solution
- Step 1: Write the proportion equation
338,302.98 : 507,454.28 = 135,899.07 : x - Step 2: Convert to fraction form
338,302.98/507,454.28 = 135,899.07/x - Step 3: Cross multiply
338,302.98x = 507,454.28 × 135,899.07 - Step 4: Simplify right side
338,302.98x = 68,962,562,646.69 - Step 5: Solve for x
x = 68,962,562,646.69/338,302.98 - Step 6: Final answer
x = 203,848.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.