Finding the Fourth Proportional to 239,123.49, 358,600.70 and 70,598.75
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Solution
The fourth proportional to 239,123.49, 358,600.70 and 70,598.75 is: 105,873.16
Step by Step Solution
- Step 1: Write the proportion equation
239,123.49 : 358,600.70 = 70,598.75 : x - Step 2: Convert to fraction form
239,123.49/358,600.70 = 70,598.75/x - Step 3: Cross multiply
239,123.49x = 358,600.70 × 70,598.75 - Step 4: Simplify right side
239,123.49x = 25,316,759,023.13 - Step 5: Solve for x
x = 25,316,759,023.13/239,123.49 - Step 6: Final answer
x = 105,873.16
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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.