Finding the Fourth Proportional to 453,041.12, 679,557.36 and 120,617.12
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Solution
The fourth proportional to 453,041.12, 679,557.36 and 120,617.12 is: 180,924.53
Step by Step Solution
- Step 1: Write the proportion equation
453,041.12 : 679,557.36 = 120,617.12 : x - Step 2: Convert to fraction form
453,041.12/679,557.36 = 120,617.12/x - Step 3: Cross multiply
453,041.12x = 679,557.36 × 120,617.12 - Step 4: Simplify right side
453,041.12x = 81,966,251,638.00 - Step 5: Solve for x
x = 81,966,251,638.00/453,041.12 - Step 6: Final answer
x = 180,924.53
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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.