Finding the Fourth Proportional to 346,803.19, 520,204.78 and 97,485.19
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Solution
The fourth proportional to 346,803.19, 520,204.78 and 97,485.19 is: 146,227.78
Step by Step Solution
- Step 1: Write the proportion equation
346,803.19 : 520,204.78 = 97,485.19 : x - Step 2: Convert to fraction form
346,803.19/520,204.78 = 97,485.19/x - Step 3: Cross multiply
346,803.19x = 520,204.78 × 97,485.19 - Step 4: Simplify right side
346,803.19x = 50,712,261,817.21 - Step 5: Solve for x
x = 50,712,261,817.21/346,803.19 - Step 6: Final answer
x = 146,227.78
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1.5x scale
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.