Finding the Fourth Proportional to 310,529,803.20, 464,973,559.20 and 248,831,908.80
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Solution
The fourth proportional to 310,529,803.20, 464,973,559.20 and 248,831,908.80 is: 372,589,867.66
Step by Step Solution
- Step 1: Write the proportion equation
310,529,803.20 : 464,973,559.20 = 248,831,908.80 : x - Step 2: Convert to fraction form
310,529,803.20/464,973,559.20 = 248,831,908.80/x - Step 3: Cross multiply
310,529,803.20x = 464,973,559.20 × 248,831,908.80 - Step 4: Simplify right side
310,529,803.20x = 115,700,258,277,265,808 - Step 5: Solve for x
x = 115,700,258,277,265,808/310,529,803.20 - Step 6: Final answer
x = 372,589,867.66
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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.