Finding the Fourth Proportional to 282,907.08, 424,420.02 and 83,210.70
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Solution
The fourth proportional to 282,907.08, 424,420.02 and 83,210.70 is: 124,833.52
Step by Step Solution
- Step 1: Write the proportion equation
282,907.08 : 424,420.02 = 83,210.70 : x - Step 2: Convert to fraction form
282,907.08/424,420.02 = 83,210.70/x - Step 3: Cross multiply
282,907.08x = 424,420.02 × 83,210.70 - Step 4: Simplify right side
282,907.08x = 35,316,286,958.21 - Step 5: Solve for x
x = 35,316,286,958.21/282,907.08 - Step 6: Final answer
x = 124,833.52
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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.