Finding the Fourth Proportional to 505,752.12, 758,739.15 and 190,209.06
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Solution
The fourth proportional to 505,752.12, 758,739.15 and 190,209.06 is: 285,355.32
Step by Step Solution
- Step 1: Write the proportion equation
505,752.12 : 758,739.15 = 190,209.06 : x - Step 2: Convert to fraction form
505,752.12/758,739.15 = 190,209.06/x - Step 3: Cross multiply
505,752.12x = 758,739.15 × 190,209.06 - Step 4: Simplify right side
505,752.12x = 144,319,060,506.70 - Step 5: Solve for x
x = 144,319,060,506.70/505,752.12 - Step 6: Final answer
x = 285,355.32
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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.