Finding the Fourth Proportional to 253,432.02, 349,698.56 and 153,924.84
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Solution
The fourth proportional to 253,432.02, 349,698.56 and 153,924.84 is: 212,393.43
Step by Step Solution
- Step 1: Write the proportion equation
253,432.02 : 349,698.56 = 153,924.84 : x - Step 2: Convert to fraction form
253,432.02/349,698.56 = 153,924.84/x - Step 3: Cross multiply
253,432.02x = 349,698.56 × 153,924.84 - Step 4: Simplify right side
253,432.02x = 53,827,294,896.23 - Step 5: Solve for x
x = 53,827,294,896.23/253,432.02 - Step 6: Final answer
x = 212,393.43
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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.