Finding the Fourth Proportional to 449,225.63, 619,913.62 and 245,285.15
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Solution
The fourth proportional to 449,225.63, 619,913.62 and 245,285.15 is: 338,483.81
Step by Step Solution
- Step 1: Write the proportion equation
449,225.63 : 619,913.62 = 245,285.15 : x - Step 2: Convert to fraction form
449,225.63/619,913.62 = 245,285.15/x - Step 3: Cross multiply
449,225.63x = 619,913.62 × 245,285.15 - Step 4: Simplify right side
449,225.63x = 152,055,602,475.78 - Step 5: Solve for x
x = 152,055,602,475.78/449,225.63 - Step 6: Final answer
x = 338,483.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.