Finding the Fourth Proportional to 375,502.40, 563,288.12 and 122,784.20
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Solution
The fourth proportional to 375,502.40, 563,288.12 and 122,784.20 is: 184,187.59
Step by Step Solution
- Step 1: Write the proportion equation
375,502.40 : 563,288.12 = 122,784.20 : x - Step 2: Convert to fraction form
375,502.40/563,288.12 = 122,784.20/x - Step 3: Cross multiply
375,502.40x = 563,288.12 × 122,784.20 - Step 4: Simplify right side
375,502.40x = 69,162,881,183.70 - Step 5: Solve for x
x = 69,162,881,183.70/375,502.40 - Step 6: Final answer
x = 184,187.59
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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.