Finding the Fourth Proportional to 886,490.06, 1,329,735.03 and 221,642.06
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Solution
The fourth proportional to 886,490.06, 1,329,735.03 and 221,642.06 is: 332,463.07
Step by Step Solution
- Step 1: Write the proportion equation
886,490.06 : 1,329,735.03 = 221,642.06 : x - Step 2: Convert to fraction form
886,490.06/1,329,735.03 = 221,642.06/x - Step 3: Cross multiply
886,490.06x = 1,329,735.03 × 221,642.06 - Step 4: Simplify right side
886,490.06x = 294,725,211,303.36 - Step 5: Solve for x
x = 294,725,211,303.36/886,490.06 - Step 6: Final answer
x = 332,463.07
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1.5x scale
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.