Finding the Fourth Proportional to 313,281.11, 432,316.35 and 170,038.07
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Solution
The fourth proportional to 313,281.11, 432,316.35 and 170,038.07 is: 234,646.26
Step by Step Solution
- Step 1: Write the proportion equation
313,281.11 : 432,316.35 = 170,038.07 : x - Step 2: Convert to fraction form
313,281.11/432,316.35 = 170,038.07/x - Step 3: Cross multiply
313,281.11x = 432,316.35 × 170,038.07 - Step 4: Simplify right side
313,281.11x = 73,510,238,864.24 - Step 5: Solve for x
x = 73,510,238,864.24/313,281.11 - Step 6: Final answer
x = 234,646.26
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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.