Finding the Fourth Proportional to 370,420.96, 555,047.68 and 286,386.08
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Solution
The fourth proportional to 370,420.96, 555,047.68 and 286,386.08 is: 429,127.79
Step by Step Solution
- Step 1: Write the proportion equation
370,420.96 : 555,047.68 = 286,386.08 : x - Step 2: Convert to fraction form
370,420.96/555,047.68 = 286,386.08/x - Step 3: Cross multiply
370,420.96x = 555,047.68 × 286,386.08 - Step 4: Simplify right side
370,420.96x = 158,957,929,288.29 - Step 5: Solve for x
x = 158,957,929,288.29/370,420.96 - Step 6: Final answer
x = 429,127.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.