Finding the Fourth Proportional to 473,378.56, 653,259.09 and 258,518.68
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Solution
The fourth proportional to 473,378.56, 653,259.09 and 258,518.68 is: 356,753.96
Step by Step Solution
- Step 1: Write the proportion equation
473,378.56 : 653,259.09 = 258,518.68 : x - Step 2: Convert to fraction form
473,378.56/653,259.09 = 258,518.68/x - Step 3: Cross multiply
473,378.56x = 653,259.09 × 258,518.68 - Step 4: Simplify right side
473,378.56x = 168,879,677,644.80 - Step 5: Solve for x
x = 168,879,677,644.80/473,378.56 - Step 6: Final answer
x = 356,753.96
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1.5x scale
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.