Finding the Fourth Proportional to 473,853.24, 653,914.08 and 258,989.40
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Solution
The fourth proportional to 473,853.24, 653,914.08 and 258,989.40 is: 357,403.52
Step by Step Solution
- Step 1: Write the proportion equation
473,853.24 : 653,914.08 = 258,989.40 : x - Step 2: Convert to fraction form
473,853.24/653,914.08 = 258,989.40/x - Step 3: Cross multiply
473,853.24x = 653,914.08 × 258,989.40 - Step 4: Simplify right side
473,853.24x = 169,356,815,230.75 - Step 5: Solve for x
x = 169,356,815,230.75/473,853.24 - Step 6: Final answer
x = 357,403.52
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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.