Finding the Fourth Proportional to 553,492.93, 830,261.26 and 154,168.60
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Solution
The fourth proportional to 553,492.93, 830,261.26 and 154,168.60 is: 231,258.99
Step by Step Solution
- Step 1: Write the proportion equation
553,492.93 : 830,261.26 = 154,168.60 : x - Step 2: Convert to fraction form
553,492.93/830,261.26 = 154,168.60/x - Step 3: Cross multiply
553,492.93x = 830,261.26 × 154,168.60 - Step 4: Simplify right side
553,492.93x = 128,000,216,088.44 - Step 5: Solve for x
x = 128,000,216,088.44/553,492.93 - Step 6: Final answer
x = 231,258.99
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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.