Finding the Fourth Proportional to 456,665.19, 630,199.19 and 252,730.19
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Solution
The fourth proportional to 456,665.19, 630,199.19 and 252,730.19 is: 348,768.33
Step by Step Solution
- Step 1: Write the proportion equation
456,665.19 : 630,199.19 = 252,730.19 : x - Step 2: Convert to fraction form
456,665.19/630,199.19 = 252,730.19/x - Step 3: Cross multiply
456,665.19x = 630,199.19 × 252,730.19 - Step 4: Simplify right side
456,665.19x = 159,270,356,611.90 - Step 5: Solve for x
x = 159,270,356,611.90/456,665.19 - Step 6: Final answer
x = 348,768.33
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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.