Finding the Fourth Proportional to 346,869.20, 520,303.80 and 97,518.80
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Solution
The fourth proportional to 346,869.20, 520,303.80 and 97,518.80 is: 146,278.20
Step by Step Solution
- Step 1: Write the proportion equation
346,869.20 : 520,303.80 = 97,518.80 : x - Step 2: Convert to fraction form
346,869.20/520,303.80 = 97,518.80/x - Step 3: Cross multiply
346,869.20x = 520,303.80 × 97,518.80 - Step 4: Simplify right side
346,869.20x = 50,739,402,211.44 - Step 5: Solve for x
x = 50,739,402,211.44/346,869.20 - Step 6: Final answer
x = 146,278.20
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1.5x scale
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.