Finding the Fourth Proportional to 456,555.13, 630,064.65 and 252,602.75
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Solution
The fourth proportional to 456,555.13, 630,064.65 and 252,602.75 is: 348,602.07
Step by Step Solution
- Step 1: Write the proportion equation
456,555.13 : 630,064.65 = 252,602.75 : x - Step 2: Convert to fraction form
456,555.13/630,064.65 = 252,602.75/x - Step 3: Cross multiply
456,555.13x = 630,064.65 × 252,602.75 - Step 4: Simplify right side
456,555.13x = 159,156,065,079.76 - Step 5: Solve for x
x = 159,156,065,079.76/456,555.13 - Step 6: Final answer
x = 348,602.07
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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.