Finding the Fourth Proportional to 245,578.02, 368,508.24 and 103,412.09
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Solution
The fourth proportional to 245,578.02, 368,508.24 and 103,412.09 is: 155,177.59
Step by Step Solution
- Step 1: Write the proportion equation
245,578.02 : 368,508.24 = 103,412.09 : x - Step 2: Convert to fraction form
245,578.02/368,508.24 = 103,412.09/x - Step 3: Cross multiply
245,578.02x = 368,508.24 × 103,412.09 - Step 4: Simplify right side
245,578.02x = 38,108,205,438.08 - Step 5: Solve for x
x = 38,108,205,438.08/245,578.02 - Step 6: Final answer
x = 155,177.59
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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.