Finding the Fourth Proportional to 357,851.22, 536,443.11 and 121,029.09
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Solution
The fourth proportional to 357,851.22, 536,443.11 and 121,029.09 is: 181,430.77
Step by Step Solution
- Step 1: Write the proportion equation
357,851.22 : 536,443.11 = 121,029.09 : x - Step 2: Convert to fraction form
357,851.22/536,443.11 = 121,029.09/x - Step 3: Cross multiply
357,851.22x = 536,443.11 × 121,029.09 - Step 4: Simplify right side
357,851.22x = 64,925,221,440.07 - Step 5: Solve for x
x = 64,925,221,440.07/357,851.22 - Step 6: Final answer
x = 181,430.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.