Finding the Fourth Proportional to 74,359.16, 110,830.00 and 70,156.02
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Solution
The fourth proportional to 74,359.16, 110,830.00 and 70,156.02 is: 104,565.35
Step by Step Solution
- Step 1: Write the proportion equation
74,359.16 : 110,830.00 = 70,156.02 : x - Step 2: Convert to fraction form
74,359.16/110,830.00 = 70,156.02/x - Step 3: Cross multiply
74,359.16x = 110,830.00 × 70,156.02 - Step 4: Simplify right side
74,359.16x = 7,775,391,871.05 - Step 5: Solve for x
x = 7,775,391,871.05/74,359.16 - Step 6: Final answer
x = 104,565.35
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.