Finding the Fourth Proportional to 473,725.80, 653,713.74 and 258,823.08
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Solution
The fourth proportional to 473,725.80, 653,713.74 and 258,823.08 is: 357,160.63
Step by Step Solution
- Step 1: Write the proportion equation
473,725.80 : 653,713.74 = 258,823.08 : x - Step 2: Convert to fraction form
473,725.80/653,713.74 = 258,823.08/x - Step 3: Cross multiply
473,725.80x = 653,713.74 × 258,823.08 - Step 4: Simplify right side
473,725.80x = 169,196,203,625.12 - Step 5: Solve for x
x = 169,196,203,625.12/473,725.80 - Step 6: Final answer
x = 357,160.63
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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.