Finding the Fourth Proportional to 615,981.70, 923,281.35 and 349,869.70
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Solution
The fourth proportional to 615,981.70, 923,281.35 and 349,869.70 is: 524,411.96
Step by Step Solution
- Step 1: Write the proportion equation
615,981.70 : 923,281.35 = 349,869.70 : x - Step 2: Convert to fraction form
615,981.70/923,281.35 = 349,869.70/x - Step 3: Cross multiply
615,981.70x = 923,281.35 × 349,869.70 - Step 4: Simplify right side
615,981.70x = 323,028,168,940.10 - Step 5: Solve for x
x = 323,028,168,940.10/615,981.70 - Step 6: Final answer
x = 524,411.96
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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.