Finding the Fourth Proportional to 297,116.76, 409,888.44 and 176,263.20
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Solution
The fourth proportional to 297,116.76, 409,888.44 and 176,263.20 is: 243,164.50
Step by Step Solution
- Step 1: Write the proportion equation
297,116.76 : 409,888.44 = 176,263.20 : x - Step 2: Convert to fraction form
297,116.76/409,888.44 = 176,263.20/x - Step 3: Cross multiply
297,116.76x = 409,888.44 × 176,263.20 - Step 4: Simplify right side
297,116.76x = 72,248,248,077.41 - Step 5: Solve for x
x = 72,248,248,077.41/297,116.76 - Step 6: Final answer
x = 243,164.50
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1.5x scale
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.