Finding the Fourth Proportional to 425,438.30, 587,117.16 and 234,464.00
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Solution
The fourth proportional to 425,438.30, 587,117.16 and 234,464.00 is: 323,567.09
Step by Step Solution
- Step 1: Write the proportion equation
425,438.30 : 587,117.16 = 234,464.00 : x - Step 2: Convert to fraction form
425,438.30/587,117.16 = 234,464.00/x - Step 3: Cross multiply
425,438.30x = 587,117.16 × 234,464.00 - Step 4: Simplify right side
425,438.30x = 137,657,834,866.65 - Step 5: Solve for x
x = 137,657,834,866.65/425,438.30 - Step 6: Final answer
x = 323,567.09
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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.