Finding the Fourth Proportional to 467,929.08, 645,742.58 and 253,069.14
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Solution
The fourth proportional to 467,929.08, 645,742.58 and 253,069.14 is: 349,235.65
Step by Step Solution
- Step 1: Write the proportion equation
467,929.08 : 645,742.58 = 253,069.14 : x - Step 2: Convert to fraction form
467,929.08/645,742.58 = 253,069.14/x - Step 3: Cross multiply
467,929.08x = 645,742.58 × 253,069.14 - Step 4: Simplify right side
467,929.08x = 163,417,518,116.64 - Step 5: Solve for x
x = 163,417,518,116.64/467,929.08 - Step 6: Final answer
x = 349,235.65
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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.