Finding the Fourth Proportional to 445,655.84, 668,412.12 and 130,038.80
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Solution
The fourth proportional to 445,655.84, 668,412.12 and 130,038.80 is: 195,037.30
Step by Step Solution
- Step 1: Write the proportion equation
445,655.84 : 668,412.12 = 130,038.80 : x - Step 2: Convert to fraction form
445,655.84/668,412.12 = 130,038.80/x - Step 3: Cross multiply
445,655.84x = 668,412.12 × 130,038.80 - Step 4: Simplify right side
445,655.84x = 86,919,509,990.26 - Step 5: Solve for x
x = 86,919,509,990.26/445,655.84 - Step 6: Final answer
x = 195,037.30
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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.