Finding the Fourth Proportional to 396,384.06, 546,973.05 and 224,317.71
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Solution
The fourth proportional to 396,384.06, 546,973.05 and 224,317.71 is: 309,537.53
Step by Step Solution
- Step 1: Write the proportion equation
396,384.06 : 546,973.05 = 224,317.71 : x - Step 2: Convert to fraction form
396,384.06/546,973.05 = 224,317.71/x - Step 3: Cross multiply
396,384.06x = 546,973.05 × 224,317.71 - Step 4: Simplify right side
396,384.06x = 122,695,742,007.72 - Step 5: Solve for x
x = 122,695,742,007.72/396,384.06 - Step 6: Final answer
x = 309,537.53
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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.