Finding the Fourth Proportional to 450,415.88, 621,303.12 and 297,455.48
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Solution
The fourth proportional to 450,415.88, 621,303.12 and 297,455.48 is: 410,309.73
Step by Step Solution
- Step 1: Write the proportion equation
450,415.88 : 621,303.12 = 297,455.48 : x - Step 2: Convert to fraction form
450,415.88/621,303.12 = 297,455.48/x - Step 3: Cross multiply
450,415.88x = 621,303.12 × 297,455.48 - Step 4: Simplify right side
450,415.88x = 184,810,017,785.10 - Step 5: Solve for x
x = 184,810,017,785.10/450,415.88 - Step 6: Final answer
x = 410,309.73
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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.