Finding the Fourth Proportional to 400,924.44, 553,275.71 and 239,779.49
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Solution
The fourth proportional to 400,924.44, 553,275.71 and 239,779.49 is: 330,895.68
Step by Step Solution
- Step 1: Write the proportion equation
400,924.44 : 553,275.71 = 239,779.49 : x - Step 2: Convert to fraction form
400,924.44/553,275.71 = 239,779.49/x - Step 3: Cross multiply
400,924.44x = 553,275.71 × 239,779.49 - Step 4: Simplify right side
400,924.44x = 132,664,163,607.91 - Step 5: Solve for x
x = 132,664,163,607.91/400,924.44 - Step 6: Final answer
x = 330,895.68
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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.