Finding the Fourth Proportional to 613,140.14, 919,848.58 and 186,714.12
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Solution
The fourth proportional to 613,140.14, 919,848.58 and 186,714.12 is: 280,113.32
Step by Step Solution
- Step 1: Write the proportion equation
613,140.14 : 919,848.58 = 186,714.12 : x - Step 2: Convert to fraction form
613,140.14/919,848.58 = 186,714.12/x - Step 3: Cross multiply
613,140.14x = 919,848.58 × 186,714.12 - Step 4: Simplify right side
613,140.14x = 171,748,718,147.95 - Step 5: Solve for x
x = 171,748,718,147.95/613,140.14 - Step 6: Final answer
x = 280,113.32
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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.