Finding the Fourth Proportional to 357,607.06, 536,879.67 and 239,805.70
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Solution
The fourth proportional to 357,607.06, 536,879.67 and 239,805.70 is: 360,023.11
Step by Step Solution
- Step 1: Write the proportion equation
357,607.06 : 536,879.67 = 239,805.70 : x - Step 2: Convert to fraction form
357,607.06/536,879.67 = 239,805.70/x - Step 3: Cross multiply
357,607.06x = 536,879.67 × 239,805.70 - Step 4: Simplify right side
357,607.06x = 128,746,805,080.12 - Step 5: Solve for x
x = 128,746,805,080.12/357,607.06 - Step 6: Final answer
x = 360,023.11
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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.