Finding the Fourth Proportional to 372,235.16, 513,862.98 and 229,117.88
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Solution
The fourth proportional to 372,235.16, 513,862.98 and 229,117.88 is: 316,292.52
Step by Step Solution
- Step 1: Write the proportion equation
372,235.16 : 513,862.98 = 229,117.88 : x - Step 2: Convert to fraction form
372,235.16/513,862.98 = 229,117.88/x - Step 3: Cross multiply
372,235.16x = 513,862.98 × 229,117.88 - Step 4: Simplify right side
372,235.16x = 117,735,196,588.08 - Step 5: Solve for x
x = 117,735,196,588.08/372,235.16 - Step 6: Final answer
x = 316,292.52
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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.