Finding the Fourth Proportional to 409,774.42, 613,502.51 and 217,210.08
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Solution
The fourth proportional to 409,774.42, 613,502.51 and 217,210.08 is: 325,200.70
Step by Step Solution
- Step 1: Write the proportion equation
409,774.42 : 613,502.51 = 217,210.08 : x - Step 2: Convert to fraction form
409,774.42/613,502.51 = 217,210.08/x - Step 3: Cross multiply
409,774.42x = 613,502.51 × 217,210.08 - Step 4: Simplify right side
409,774.42x = 133,258,929,277.30 - Step 5: Solve for x
x = 133,258,929,277.30/409,774.42 - Step 6: Final answer
x = 325,200.70
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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.