Finding the Fourth Proportional to 318,867.06, 440,056.49 and 175,627.07
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Solution
The fourth proportional to 318,867.06, 440,056.49 and 175,627.07 is: 242,376.34
Step by Step Solution
- Step 1: Write the proportion equation
318,867.06 : 440,056.49 = 175,627.07 : x - Step 2: Convert to fraction form
318,867.06/440,056.49 = 175,627.07/x - Step 3: Cross multiply
318,867.06x = 440,056.49 × 175,627.07 - Step 4: Simplify right side
318,867.06x = 77,285,831,973.18 - Step 5: Solve for x
x = 77,285,831,973.18/318,867.06 - Step 6: Final answer
x = 242,376.34
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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.