Finding the Fourth Proportional to 450,603.10, 621,826.75 and 243,866.67
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Solution
The fourth proportional to 450,603.10, 621,826.75 and 243,866.67 is: 336,533.02
Step by Step Solution
- Step 1: Write the proportion equation
450,603.10 : 621,826.75 = 243,866.67 : x - Step 2: Convert to fraction form
450,603.10/621,826.75 = 243,866.67/x - Step 3: Cross multiply
450,603.10x = 621,826.75 × 243,866.67 - Step 4: Simplify right side
450,603.10x = 151,642,821,373.19 - Step 5: Solve for x
x = 151,642,821,373.19/450,603.10 - Step 6: Final answer
x = 336,533.02
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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.