Finding the Fourth Proportional to 400,824.08, 553,117.52 and 219,536.80
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Solution
The fourth proportional to 400,824.08, 553,117.52 and 219,536.80 is: 302,949.99
Step by Step Solution
- Step 1: Write the proportion equation
400,824.08 : 553,117.52 = 219,536.80 : x - Step 2: Convert to fraction form
400,824.08/553,117.52 = 219,536.80/x - Step 3: Cross multiply
400,824.08x = 553,117.52 × 219,536.80 - Step 4: Simplify right side
400,824.08x = 121,429,650,364.74 - Step 5: Solve for x
x = 121,429,650,364.74/400,824.08 - Step 6: Final answer
x = 302,949.99
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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.