Finding the Fourth Proportional to 294,671.20, 442,006.80 and 97,679.20
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Solution
The fourth proportional to 294,671.20, 442,006.80 and 97,679.20 is: 146,518.80
Step by Step Solution
- Step 1: Write the proportion equation
294,671.20 : 442,006.80 = 97,679.20 : x - Step 2: Convert to fraction form
294,671.20/442,006.80 = 97,679.20/x - Step 3: Cross multiply
294,671.20x = 442,006.80 × 97,679.20 - Step 4: Simplify right side
294,671.20x = 43,174,870,618.56 - Step 5: Solve for x
x = 43,174,870,618.56/294,671.20 - Step 6: Final answer
x = 146,518.80
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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.