Finding the Fourth Proportional to 475,689.08, 713,638.58 and 138,756.08
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Solution
The fourth proportional to 475,689.08, 713,638.58 and 138,756.08 is: 208,164.74
Step by Step Solution
- Step 1: Write the proportion equation
475,689.08 : 713,638.58 = 138,756.08 : x - Step 2: Convert to fraction form
475,689.08/713,638.58 = 138,756.08/x - Step 3: Cross multiply
475,689.08x = 713,638.58 × 138,756.08 - Step 4: Simplify right side
475,689.08x = 99,021,692,987.88 - Step 5: Solve for x
x = 99,021,692,987.88/475,689.08 - Step 6: Final answer
x = 208,164.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.