Finding the Fourth Proportional to 316,585.84, 436,888.36 and 173,345.84
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Solution
The fourth proportional to 316,585.84, 436,888.36 and 173,345.84 is: 239,217.20
Step by Step Solution
- Step 1: Write the proportion equation
316,585.84 : 436,888.36 = 173,345.84 : x - Step 2: Convert to fraction form
316,585.84/436,888.36 = 173,345.84/x - Step 3: Cross multiply
316,585.84x = 436,888.36 × 173,345.84 - Step 4: Simplify right side
316,585.84x = 75,732,779,750.42 - Step 5: Solve for x
x = 75,732,779,750.42/316,585.84 - Step 6: Final answer
x = 239,217.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.