Finding the Fourth Proportional to 369,652.30, 554,478.62 and 156,364.92
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Solution
The fourth proportional to 369,652.30, 554,478.62 and 156,364.92 is: 234,547.45
Step by Step Solution
- Step 1: Write the proportion equation
369,652.30 : 554,478.62 = 156,364.92 : x - Step 2: Convert to fraction form
369,652.30/554,478.62 = 156,364.92/x - Step 3: Cross multiply
369,652.30x = 554,478.62 × 156,364.92 - Step 4: Simplify right side
369,652.30x = 86,701,004,276.19 - Step 5: Solve for x
x = 86,701,004,276.19/369,652.30 - Step 6: Final answer
x = 234,547.45
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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.