Finding the Fourth Proportional to 346,823.23, 520,276.53 and 122,137.23
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Solution
The fourth proportional to 346,823.23, 520,276.53 and 122,137.23 is: 183,220.52
Step by Step Solution
- Step 1: Write the proportion equation
346,823.23 : 520,276.53 = 122,137.23 : x - Step 2: Convert to fraction form
346,823.23/520,276.53 = 122,137.23/x - Step 3: Cross multiply
346,823.23x = 520,276.53 × 122,137.23 - Step 4: Simplify right side
346,823.23x = 63,545,134,208.21 - Step 5: Solve for x
x = 63,545,134,208.21/346,823.23 - Step 6: Final answer
x = 183,220.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.