Finding the Fourth Proportional to 346,775.12, 520,312.92 and 122,295.96
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Solution
The fourth proportional to 346,775.12, 520,312.92 and 122,295.96 is: 183,496.92
Step by Step Solution
- Step 1: Write the proportion equation
346,775.12 : 520,312.92 = 122,295.96 : x - Step 2: Convert to fraction form
346,775.12/520,312.92 = 122,295.96/x - Step 3: Cross multiply
346,775.12x = 520,312.92 × 122,295.96 - Step 4: Simplify right side
346,775.12x = 63,632,168,051.80 - Step 5: Solve for x
x = 63,632,168,051.80/346,775.12 - Step 6: Final answer
x = 183,496.92
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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.