Finding the Fourth Proportional to 252,426.02, 348,349.05 and 139,248.74
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Solution
The fourth proportional to 252,426.02, 348,349.05 and 139,248.74 is: 192,163.89
Step by Step Solution
- Step 1: Write the proportion equation
252,426.02 : 348,349.05 = 139,248.74 : x - Step 2: Convert to fraction form
252,426.02/348,349.05 = 139,248.74/x - Step 3: Cross multiply
252,426.02x = 348,349.05 × 139,248.74 - Step 4: Simplify right side
252,426.02x = 48,507,166,292.70 - Step 5: Solve for x
x = 48,507,166,292.70/252,426.02 - Step 6: Final answer
x = 192,163.89
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1.5x scale
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.