Finding the Fourth Proportional to 473,219.10, 709,941.65 and 157,678.74
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Solution
The fourth proportional to 473,219.10, 709,941.65 and 157,678.74 is: 236,555.76
Step by Step Solution
- Step 1: Write the proportion equation
473,219.10 : 709,941.65 = 157,678.74 : x - Step 2: Convert to fraction form
473,219.10/709,941.65 = 157,678.74/x - Step 3: Cross multiply
473,219.10x = 709,941.65 × 157,678.74 - Step 4: Simplify right side
473,219.10x = 111,942,704,057.13 - Step 5: Solve for x
x = 111,942,704,057.13/473,219.10 - Step 6: Final answer
x = 236,555.76
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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.