Finding the Fourth Proportional to 456,805.60, 630,246.80 and 265,782.08
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Solution
The fourth proportional to 456,805.60, 630,246.80 and 265,782.08 is: 366,694.95
Step by Step Solution
- Step 1: Write the proportion equation
456,805.60 : 630,246.80 = 265,782.08 : x - Step 2: Convert to fraction form
456,805.60/630,246.80 = 265,782.08/x - Step 3: Cross multiply
456,805.60x = 630,246.80 × 265,782.08 - Step 4: Simplify right side
456,805.60x = 167,508,305,417.34 - Step 5: Solve for x
x = 167,508,305,417.34/456,805.60 - Step 6: Final answer
x = 366,694.95
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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.