Finding the Fourth Proportional to 409,128.04, 564,750.66 and 239,416.84
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Solution
The fourth proportional to 409,128.04, 564,750.66 and 239,416.84 is: 330,485.34
Step by Step Solution
- Step 1: Write the proportion equation
409,128.04 : 564,750.66 = 239,416.84 : x - Step 2: Convert to fraction form
409,128.04/564,750.66 = 239,416.84/x - Step 3: Cross multiply
409,128.04x = 564,750.66 × 239,416.84 - Step 4: Simplify right side
409,128.04x = 135,210,818,405.11 - Step 5: Solve for x
x = 135,210,818,405.11/409,128.04 - Step 6: Final answer
x = 330,485.34
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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.