Finding the Fourth Proportional to 259,138.08, 357,488.36 and 151,642.18
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Solution
The fourth proportional to 259,138.08, 357,488.36 and 151,642.18 is: 209,194.71
Step by Step Solution
- Step 1: Write the proportion equation
259,138.08 : 357,488.36 = 151,642.18 : x - Step 2: Convert to fraction form
259,138.08/357,488.36 = 151,642.18/x - Step 3: Cross multiply
259,138.08x = 357,488.36 × 151,642.18 - Step 4: Simplify right side
259,138.08x = 54,210,314,235.02 - Step 5: Solve for x
x = 54,210,314,235.02/259,138.08 - Step 6: Final answer
x = 209,194.71
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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.