Finding the Fourth Proportional to 269,228,268.62, 371,563,569.08 and 157,812,720.92
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Solution
The fourth proportional to 269,228,268.62, 371,563,569.08 and 157,812,720.92 is: 217,798,294.85
Step by Step Solution
- Step 1: Write the proportion equation
269,228,268.62 : 371,563,569.08 = 157,812,720.92 : x - Step 2: Convert to fraction form
269,228,268.62/371,563,569.08 = 157,812,720.92/x - Step 3: Cross multiply
269,228,268.62x = 371,563,569.08 × 157,812,720.92 - Step 4: Simplify right side
269,228,268.62x = 58,637,457,831,261,176 - Step 5: Solve for x
x = 58,637,457,831,261,176/269,228,268.62 - Step 6: Final answer
x = 217,798,294.85
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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.