Finding the Fourth Proportional to 230,750.02, 318,450.99 and 128,795.32
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Solution
The fourth proportional to 230,750.02, 318,450.99 and 128,795.32 is: 177,746.45
Step by Step Solution
- Step 1: Write the proportion equation
230,750.02 : 318,450.99 = 128,795.32 : x - Step 2: Convert to fraction form
230,750.02/318,450.99 = 128,795.32/x - Step 3: Cross multiply
230,750.02x = 318,450.99 × 128,795.32 - Step 4: Simplify right side
230,750.02x = 41,014,996,251.13 - Step 5: Solve for x
x = 41,014,996,251.13/230,750.02 - Step 6: Final answer
x = 177,746.45
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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.