Finding the Fourth Proportional to 349,219.08, 523,814.04 and 99,901.08
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Solution
The fourth proportional to 349,219.08, 523,814.04 and 99,901.08 is: 149,847.45
Step by Step Solution
- Step 1: Write the proportion equation
349,219.08 : 523,814.04 = 99,901.08 : x - Step 2: Convert to fraction form
349,219.08/523,814.04 = 99,901.08/x - Step 3: Cross multiply
349,219.08x = 523,814.04 × 99,901.08 - Step 4: Simplify right side
349,219.08x = 52,329,588,315.16 - Step 5: Solve for x
x = 52,329,588,315.16/349,219.08 - Step 6: Final answer
x = 149,847.45
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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.