Finding the Fourth Proportional to 185,069.21, 255,400.09 and 104,497.90
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Solution
The fourth proportional to 185,069.21, 255,400.09 and 104,497.90 is: 144,209.69
Step by Step Solution
- Step 1: Write the proportion equation
185,069.21 : 255,400.09 = 104,497.90 : x - Step 2: Convert to fraction form
185,069.21/255,400.09 = 104,497.90/x - Step 3: Cross multiply
185,069.21x = 255,400.09 × 104,497.90 - Step 4: Simplify right side
185,069.21x = 26,688,772,165.07 - Step 5: Solve for x
x = 26,688,772,165.07/185,069.21 - Step 6: Final answer
x = 144,209.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.