Finding the Fourth Proportional to 473,489.94, 653,222.68 and 349,607.81
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Solution
The fourth proportional to 473,489.94, 653,222.68 and 349,607.81 is: 482,315.95
Step by Step Solution
- Step 1: Write the proportion equation
473,489.94 : 653,222.68 = 349,607.81 : x - Step 2: Convert to fraction form
473,489.94/653,222.68 = 349,607.81/x - Step 3: Cross multiply
473,489.94x = 653,222.68 × 349,607.81 - Step 4: Simplify right side
473,489.94x = 228,371,750,597.13 - Step 5: Solve for x
x = 228,371,750,597.13/473,489.94 - Step 6: Final answer
x = 482,315.95
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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.