Finding the Fourth Proportional to 470,037.99, 648,660.25 and 255,178.10
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Solution
The fourth proportional to 470,037.99, 648,660.25 and 255,178.10 is: 352,150.02
Step by Step Solution
- Step 1: Write the proportion equation
470,037.99 : 648,660.25 = 255,178.10 : x - Step 2: Convert to fraction form
470,037.99/648,660.25 = 255,178.10/x - Step 3: Cross multiply
470,037.99x = 648,660.25 × 255,178.10 - Step 4: Simplify right side
470,037.99x = 165,523,886,259.28 - Step 5: Solve for x
x = 165,523,886,259.28/470,037.99 - Step 6: Final answer
x = 352,150.02
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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.