Finding the Fourth Proportional to 456,930.84, 630,564.48 and 255,726.84
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Solution
The fourth proportional to 456,930.84, 630,564.48 and 255,726.84 is: 352,902.99
Step by Step Solution
- Step 1: Write the proportion equation
456,930.84 : 630,564.48 = 255,726.84 : x - Step 2: Convert to fraction form
456,930.84/630,564.48 = 255,726.84/x - Step 3: Cross multiply
456,930.84x = 630,564.48 × 255,726.84 - Step 4: Simplify right side
456,930.84x = 161,252,261,886.64 - Step 5: Solve for x
x = 161,252,261,886.64/456,930.84 - Step 6: Final answer
x = 352,902.99
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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.