Finding the Fourth Proportional to 400,823.08, 553,116.14 and 219,535.80
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Solution
The fourth proportional to 400,823.08, 553,116.14 and 219,535.80 is: 302,948.61
Step by Step Solution
- Step 1: Write the proportion equation
400,823.08 : 553,116.14 = 219,535.80 : x - Step 2: Convert to fraction form
400,823.08/553,116.14 = 219,535.80/x - Step 3: Cross multiply
400,823.08x = 553,116.14 × 219,535.80 - Step 4: Simplify right side
400,823.08x = 121,428,794,287.81 - Step 5: Solve for x
x = 121,428,794,287.81/400,823.08 - Step 6: Final answer
x = 302,948.61
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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.