Finding the Fourth Proportional to 357,389.36, 536,025.68 and 120,726.80
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Solution
The fourth proportional to 357,389.36, 536,025.68 and 120,726.80 is: 181,070.49
Step by Step Solution
- Step 1: Write the proportion equation
357,389.36 : 536,025.68 = 120,726.80 : x - Step 2: Convert to fraction form
357,389.36/536,025.68 = 120,726.80/x - Step 3: Cross multiply
357,389.36x = 536,025.68 × 120,726.80 - Step 4: Simplify right side
357,389.36x = 64,712,665,064.22 - Step 5: Solve for x
x = 64,712,665,064.22/357,389.36 - Step 6: Final answer
x = 181,070.49
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1.5x scale
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.