Finding the Fourth Proportional to 149,865.36, 224,769.18 and 69,881.31
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Solution
The fourth proportional to 149,865.36, 224,769.18 and 69,881.31 is: 104,808.51
Step by Step Solution
- Step 1: Write the proportion equation
149,865.36 : 224,769.18 = 69,881.31 : x - Step 2: Convert to fraction form
149,865.36/224,769.18 = 69,881.31/x - Step 3: Cross multiply
149,865.36x = 224,769.18 × 69,881.31 - Step 4: Simplify right side
149,865.36x = 15,707,164,746.03 - Step 5: Solve for x
x = 15,707,164,746.03/149,865.36 - Step 6: Final answer
x = 104,808.51
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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.