Finding the Fourth Proportional to 260,952.36, 391,426.47 and 155,070.12
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Solution
The fourth proportional to 260,952.36, 391,426.47 and 155,070.12 is: 232,603.95
Step by Step Solution
- Step 1: Write the proportion equation
260,952.36 : 391,426.47 = 155,070.12 : x - Step 2: Convert to fraction form
260,952.36/391,426.47 = 155,070.12/x - Step 3: Cross multiply
260,952.36x = 391,426.47 × 155,070.12 - Step 4: Simplify right side
260,952.36x = 60,698,549,674.08 - Step 5: Solve for x
x = 60,698,549,674.08/260,952.36 - Step 6: Final answer
x = 232,603.95
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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.