Finding the Fourth Proportional to 473,503.08, 653,409.27 and 258,640.05
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Solution
The fourth proportional to 473,503.08, 653,409.27 and 258,640.05 is: 356,909.62
Step by Step Solution
- Step 1: Write the proportion equation
473,503.08 : 653,409.27 = 258,640.05 : x - Step 2: Convert to fraction form
473,503.08/653,409.27 = 258,640.05/x - Step 3: Cross multiply
473,503.08x = 653,409.27 × 258,640.05 - Step 4: Simplify right side
473,503.08x = 168,997,806,263.26 - Step 5: Solve for x
x = 168,997,806,263.26/473,503.08 - Step 6: Final answer
x = 356,909.62
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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.