Finding the Fourth Proportional to 633,151.68, 873,749.12 and 346,671.68
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Solution
The fourth proportional to 633,151.68, 873,749.12 and 346,671.68 is: 478,406.81
Step by Step Solution
- Step 1: Write the proportion equation
633,151.68 : 873,749.12 = 346,671.68 : x - Step 2: Convert to fraction form
633,151.68/873,749.12 = 346,671.68/x - Step 3: Cross multiply
633,151.68x = 873,749.12 × 346,671.68 - Step 4: Simplify right side
633,151.68x = 302,904,075,328.92 - Step 5: Solve for x
x = 302,904,075,328.92/633,151.68 - Step 6: Final answer
x = 478,406.81
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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.