Finding the Fourth Proportional to 148,924.24, 205,724.64 and 135,471.76
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Solution
The fourth proportional to 148,924.24, 205,724.64 and 135,471.76 is: 187,141.32
Step by Step Solution
- Step 1: Write the proportion equation
148,924.24 : 205,724.64 = 135,471.76 : x - Step 2: Convert to fraction form
148,924.24/205,724.64 = 135,471.76/x - Step 3: Cross multiply
148,924.24x = 205,724.64 × 135,471.76 - Step 4: Simplify right side
148,924.24x = 27,869,879,056.17 - Step 5: Solve for x
x = 27,869,879,056.17/148,924.24 - Step 6: Final answer
x = 187,141.32
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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.