Finding the Fourth Proportional to 369,439.81, 509,486.73 and 233,237.09
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Solution
The fourth proportional to 369,439.81, 509,486.73 and 233,237.09 is: 321,652.40
Step by Step Solution
- Step 1: Write the proportion equation
369,439.81 : 509,486.73 = 233,237.09 : x - Step 2: Convert to fraction form
369,439.81/509,486.73 = 233,237.09/x - Step 3: Cross multiply
369,439.81x = 509,486.73 × 233,237.09 - Step 4: Simplify right side
369,439.81x = 118,831,202,298.82 - Step 5: Solve for x
x = 118,831,202,298.82/369,439.81 - Step 6: Final answer
x = 321,652.40
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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.