Finding the Fourth Proportional to 245,767.21, 368,794.06 and 103,603.76
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Solution
The fourth proportional to 245,767.21, 368,794.06 and 103,603.76 is: 155,466.02
Step by Step Solution
- Step 1: Write the proportion equation
245,767.21 : 368,794.06 = 103,603.76 : x - Step 2: Convert to fraction form
245,767.21/368,794.06 = 103,603.76/x - Step 3: Cross multiply
245,767.21x = 368,794.06 × 103,603.76 - Step 4: Simplify right side
245,767.21x = 38,208,451,144.43 - Step 5: Solve for x
x = 38,208,451,144.43/245,767.21 - Step 6: Final answer
x = 155,466.02
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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.