Finding the Fourth Proportional to 649,913.19, 974,630.94 and 223,328.04
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Solution
The fourth proportional to 649,913.19, 974,630.94 and 223,328.04 is: 334,909.99
Step by Step Solution
- Step 1: Write the proportion equation
649,913.19 : 974,630.94 = 223,328.04 : x - Step 2: Convert to fraction form
649,913.19/974,630.94 = 223,328.04/x - Step 3: Cross multiply
649,913.19x = 974,630.94 × 223,328.04 - Step 4: Simplify right side
649,913.19x = 217,662,417,553.56 - Step 5: Solve for x
x = 217,662,417,553.56/649,913.19 - Step 6: Final answer
x = 334,909.99
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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.