Finding the Fourth Proportional to 376,904.08, 520,137.48 and 207,142.68
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Solution
The fourth proportional to 376,904.08, 520,137.48 and 207,142.68 is: 285,862.31
Step by Step Solution
- Step 1: Write the proportion equation
376,904.08 : 520,137.48 = 207,142.68 : x - Step 2: Convert to fraction form
376,904.08/520,137.48 = 207,142.68/x - Step 3: Cross multiply
376,904.08x = 520,137.48 × 207,142.68 - Step 4: Simplify right side
376,904.08x = 107,742,671,575.65 - Step 5: Solve for x
x = 107,742,671,575.65/376,904.08 - Step 6: Final answer
x = 285,862.31
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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.