Finding the Fourth Proportional to 152,266.12, 210,124.23 and 84,279.12
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Solution
The fourth proportional to 152,266.12, 210,124.23 and 84,279.12 is: 116,303.52
Step by Step Solution
- Step 1: Write the proportion equation
152,266.12 : 210,124.23 = 84,279.12 : x - Step 2: Convert to fraction form
152,266.12/210,124.23 = 84,279.12/x - Step 3: Cross multiply
152,266.12x = 210,124.23 × 84,279.12 - Step 4: Simplify right side
152,266.12x = 17,709,084,977.53 - Step 5: Solve for x
x = 17,709,084,977.53/152,266.12 - Step 6: Final answer
x = 116,303.52
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1.5x scale
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.