Finding the Fourth Proportional to 506,457.12, 759,944.88 and 207,158.88
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Solution
The fourth proportional to 506,457.12, 759,944.88 and 207,158.88 is: 310,844.34
Step by Step Solution
- Step 1: Write the proportion equation
506,457.12 : 759,944.88 = 207,158.88 : x - Step 2: Convert to fraction form
506,457.12/759,944.88 = 207,158.88/x - Step 3: Cross multiply
506,457.12x = 759,944.88 × 207,158.88 - Step 4: Simplify right side
506,457.12x = 157,429,330,202.53 - Step 5: Solve for x
x = 157,429,330,202.53/506,457.12 - Step 6: Final answer
x = 310,844.34
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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.