Finding the Fourth Proportional to 286,776.10, 430,221.57 and 160,595.79
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Solution
The fourth proportional to 286,776.10, 430,221.57 and 160,595.79 is: 240,925.84
Step by Step Solution
- Step 1: Write the proportion equation
286,776.10 : 430,221.57 = 160,595.79 : x - Step 2: Convert to fraction form
286,776.10/430,221.57 = 160,595.79/x - Step 3: Cross multiply
286,776.10x = 430,221.57 × 160,595.79 - Step 4: Simplify right side
286,776.10x = 69,091,772,909.19 - Step 5: Solve for x
x = 69,091,772,909.19/286,776.10 - Step 6: Final answer
x = 240,925.84
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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.