Finding the Fourth Proportional to 368,473.44, 508,487.28 and 207,328.32
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Solution
The fourth proportional to 368,473.44, 508,487.28 and 207,328.32 is: 286,109.67
Step by Step Solution
- Step 1: Write the proportion equation
368,473.44 : 508,487.28 = 207,328.32 : x - Step 2: Convert to fraction form
368,473.44/508,487.28 = 207,328.32/x - Step 3: Cross multiply
368,473.44x = 508,487.28 × 207,328.32 - Step 4: Simplify right side
368,473.44x = 105,423,813,503.77 - Step 5: Solve for x
x = 105,423,813,503.77/368,473.44 - Step 6: Final answer
x = 286,109.67
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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.