Finding the Fourth Proportional to 325,028.08, 487,603.12 and 147,547.60
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Solution
The fourth proportional to 325,028.08, 487,603.12 and 147,547.60 is: 221,349.09
Step by Step Solution
- Step 1: Write the proportion equation
325,028.08 : 487,603.12 = 147,547.60 : x - Step 2: Convert to fraction form
325,028.08/487,603.12 = 147,547.60/x - Step 3: Cross multiply
325,028.08x = 487,603.12 × 147,547.60 - Step 4: Simplify right side
325,028.08x = 71,944,670,108.51 - Step 5: Solve for x
x = 71,944,670,108.51/325,028.08 - Step 6: Final answer
x = 221,349.09
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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.